diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 486542c4..58921f51 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -3,13 +3,13 @@ name: Linux
 on: [push, pull_request]
 
 jobs:
-  gcc10:
+  gcc14:
     strategy:
       fail-fast: false
       matrix:
         config: [Debug, Release]
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@v4.1.3
@@ -19,7 +19,10 @@ jobs:
     - name: Install Dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -yq libgtest-dev libboost-program-options-dev rapidjson-dev ninja-build gcc-10 g++-10
+        sudo apt-get upgrade
+        sudo add-apt-repository -y universe
+        sudo apt-get update
+        sudo apt-get install -yq libgtest-dev libboost-program-options-dev rapidjson-dev ninja-build gcc-14 g++-14
 
     - name: Build GTest
       run: |
@@ -35,8 +38,8 @@ jobs:
     - name: Configure CMake
       shell: pwsh
       env:
-        CC: gcc-10
-        CXX: g++-10
+        CC: gcc-14
+        CXX: g++-14
       working-directory: build/
       run: |
         $cmakeBuildType = '${{ matrix.config }}'
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 16b94358..70cea90b 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -9,19 +9,22 @@ jobs:
       matrix:
         config: [Debug, Release]
 
-    runs-on: macos-13
+    runs-on: macos-latest
 
     steps:
     - uses: actions/checkout@v4.1.3
       with:
         submodules: true
+        fetch-depth: 0
+
+    - uses: seanmiddleditch/gha-setup-ninja@96bed6edff20d1dd61ecff9b75cc519d516e6401
 
     - name: Cache vcpkg
       uses: actions/cache@v4.0.2
       id: cache-vcpkg
       with:
         path: build/vcpkg_cache/
-        key: vcpkg-binaries-x64-osx
+        key: vcpkg-binaries-osx-${{ hashFiles('vcpkg.json') }}
 
     - name: Create Build Environment
       if: ${{ !steps.cache-vcpkg.outputs.cache-hit }}
@@ -29,18 +32,28 @@ jobs:
         cmake -E make_directory build
         cmake -E make_directory build/vcpkg_cache
 
+    - name: Boostrap vcpkg
+      shell: pwsh
+      working-directory: vcpkg/
+      run: |
+        ./bootstrap-vcpkg.sh
+        ./vcpkg integrate install
+
     - name: Configure
       shell: pwsh
+      env:
+        VCPKG_ROOT: ${{ github.workspace }}/vcpkg
       working-directory: build/
       run: |
-        $vcpkgToolchain = Join-Path $env:VCPKG_INSTALLATION_ROOT './scripts/buildsystems/vcpkg.cmake' -Resolve
+        $vcpkgToolchain = Join-Path $env:VCPKG_ROOT './scripts/buildsystems/vcpkg.cmake' -Resolve
         $cmakeBuildType = '${{ matrix.config }}'
 
         $cachedBinaries = Join-Path $(Get-Location) './vcpkg_cache/' -Resolve
         $cacheAccess = $(if ('${{ steps.cache-vcpkg.outputs.cache-hit }}' -eq 'true') { 'read' } else { 'write' })
         $env:VCPKG_BINARY_SOURCES = "clear;files,$cachedBinaries,$cacheAccess"
 
-        cmake "-DCMAKE_TOOLCHAIN_FILE=$vcpkgToolchain" "-DCMAKE_BUILD_TYPE=$cmakeBuildType" ${{ github.workspace }}
+        $env:PATH = "${env:PATH}:${{ github.workspace }}/ninja-build"
+        cmake "-DCMAKE_TOOLCHAIN_FILE=$vcpkgToolchain" "-DCMAKE_BUILD_TYPE=$cmakeBuildType" -G Ninja ${{ github.workspace }}
 
     - name: Build
       working-directory: build/
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 3e3796bf..cd638c24 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -17,6 +17,7 @@ jobs:
     - uses: actions/checkout@v4.1.3
       with:
         submodules: true
+        fetch-depth: 0
 
     - name: Set target triplet
       id: set-variables
@@ -28,7 +29,7 @@ jobs:
       id: cache-vcpkg
       with:
         path: build/vcpkg_cache/
-        key: vcpkg-binaries-${{ steps.set-variables.outputs.vcpkg_triplet }}
+        key: vcpkg-binaries-${{ steps.set-variables.outputs.vcpkg_triplet }}-${{ hashFiles('vcpkg.json') }}
 
     - name: Create Build Environment
       if: ${{ !steps.cache-vcpkg.outputs.cache-hit }}
@@ -36,11 +37,20 @@ jobs:
         cmake -E make_directory build
         cmake -E make_directory build/vcpkg_cache
 
+    - name: Boostrap vcpkg
+      shell: pwsh
+      working-directory: vcpkg/
+      run: |
+        ./bootstrap-vcpkg.bat
+        ./vcpkg integrate install
+
     - name: Configure
       shell: pwsh
+      env:
+        VCPKG_ROOT: ${{ github.workspace }}\vcpkg
       working-directory: build/
       run: |
-        $vcpkgToolchain = Join-Path $env:VCPKG_INSTALLATION_ROOT '.\scripts\buildsystems\vcpkg.cmake' -Resolve
+        $vcpkgToolchain = Join-Path $env:VCPKG_ROOT './scripts/buildsystems/vcpkg.cmake' -Resolve
         $vcpkgTriplet = '${{ steps.set-variables.outputs.vcpkg_triplet }}'
         $cmakeSharedLibs = $(if ('${{ matrix.libs }}' -eq 'shared') { 'ON' } else { 'OFF' })
         $msbuildArch = $(if ('${{ matrix.arch }}' -eq 'x64') { 'X64' } else { 'Win32' })
diff --git a/.gitmodules b/.gitmodules
index 63c116a4..425cae62 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "PEGTL"]
 	path = PEGTL
 	url = https://github.com/taocpp/PEGTL.git
+[submodule "vcpkg"]
+	path = vcpkg
+	url = https://github.com/microsoft/vcpkg.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f25e927..4c6440dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,13 +1,12 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
-# Enable CMAKE_MSVC_RUNTIME_LIBRARY on Windows: https://cmake.org/cmake/help/latest/policy/CMP0091.html
-cmake_policy(SET CMP0091 NEW)
-
-# Do not set default MSVC warning flags: https://cmake.org/cmake/help/latest/policy/CMP0092.html
-cmake_policy(SET CMP0092 NEW)
+if(POLICY CMP0167)
+  # Prefer the upstream BoostConfig.cmake file instead of the builtin FindBoost module: https://cmake.org/cmake/help/latest/policy/CMP0167.html
+  cmake_policy(SET CMP0167 NEW)
+endif()
 
 # Export compile commands for other tools, e.g. SonarLint.
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 1db60cea..1fdaf4a5 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Enable version checks in find_package
 include(CMakePackageConfigHelpers)
diff --git a/include/graphqlservice/GraphQLClient.h b/include/graphqlservice/GraphQLClient.h
index 1321c1b4..2aa7835d 100644
--- a/include/graphqlservice/GraphQLClient.h
+++ b/include/graphqlservice/GraphQLClient.h
@@ -6,21 +6,10 @@
 #ifndef GRAPHQLCLIENT_H
 #define GRAPHQLCLIENT_H
 
-// clang-format off
-#ifdef GRAPHQL_DLLEXPORTS
-	#ifdef IMPL_GRAPHQLCLIENT_DLL
-		#define GRAPHQLCLIENT_EXPORT __declspec(dllexport)
-	#else // !IMPL_GRAPHQLCLIENT_DLL
-		#define GRAPHQLCLIENT_EXPORT __declspec(dllimport)
-	#endif // !IMPL_GRAPHQLCLIENT_DLL
-#else // !GRAPHQL_DLLEXPORTS
-	#define GRAPHQLCLIENT_EXPORT
-#endif // !GRAPHQL_DLLEXPORTS
-// clang-format on
-
-#include "graphqlservice/GraphQLResponse.h"
-
-#include "graphqlservice/internal/Version.h"
+#include "GraphQLResponse.h"
+
+#include "internal/Version.h"
+#include "internal/DllExports.h"
 
 #include <algorithm>
 #include <iterator>
diff --git a/include/graphqlservice/GraphQLParse.h b/include/graphqlservice/GraphQLParse.h
index e983b224..cfd8682f 100644
--- a/include/graphqlservice/GraphQLParse.h
+++ b/include/graphqlservice/GraphQLParse.h
@@ -6,17 +6,7 @@
 #ifndef GRAPHQLPARSE_H
 #define GRAPHQLPARSE_H
 
-// clang-format off
-#ifdef GRAPHQL_DLLEXPORTS
-	#ifdef IMPL_GRAPHQLPEG_DLL
-		#define GRAPHQLPEG_EXPORT __declspec(dllexport)
-	#else // !IMPL_GRAPHQLPEG_DLL
-		#define GRAPHQLPEG_EXPORT __declspec(dllimport)
-	#endif // !IMPL_GRAPHQLPEG_DLL
-#else // !GRAPHQL_DLLEXPORTS
-	#define GRAPHQLPEG_EXPORT
-#endif // !GRAPHQL_DLLEXPORTS
-// clang-format on
+#include "internal/DllExports.h"
 
 #include <memory>
 #include <string_view>
diff --git a/include/graphqlservice/GraphQLResponse.h b/include/graphqlservice/GraphQLResponse.h
index 5ff8cb07..b8249926 100644
--- a/include/graphqlservice/GraphQLResponse.h
+++ b/include/graphqlservice/GraphQLResponse.h
@@ -6,19 +6,8 @@
 #ifndef GRAPHQLRESPONSE_H
 #define GRAPHQLRESPONSE_H
 
-// clang-format off
-#ifdef GRAPHQL_DLLEXPORTS
-	#ifdef IMPL_GRAPHQLRESPONSE_DLL
-		#define GRAPHQLRESPONSE_EXPORT __declspec(dllexport)
-	#else // !IMPL_GRAPHQLRESPONSE_DLL
-		#define GRAPHQLRESPONSE_EXPORT __declspec(dllimport)
-	#endif // !IMPL_GRAPHQLRESPONSE_DLL
-#else // !GRAPHQL_DLLEXPORTS
-	#define GRAPHQLRESPONSE_EXPORT
-#endif // !GRAPHQL_DLLEXPORTS
-// clang-format on
-
-#include "graphqlservice/internal/Awaitable.h"
+#include "internal/Awaitable.h"
+#include "internal/DllExports.h"
 
 #include <cstdint>
 #include <initializer_list>
diff --git a/include/graphqlservice/GraphQLService.h b/include/graphqlservice/GraphQLService.h
index 0e7f2ea6..a412b1a4 100644
--- a/include/graphqlservice/GraphQLService.h
+++ b/include/graphqlservice/GraphQLService.h
@@ -6,24 +6,13 @@
 #ifndef GRAPHQLSERVICE_H
 #define GRAPHQLSERVICE_H
 
-// clang-format off
-#ifdef GRAPHQL_DLLEXPORTS
-	#ifdef IMPL_GRAPHQLSERVICE_DLL
-		#define GRAPHQLSERVICE_EXPORT __declspec(dllexport)
-	#else // !IMPL_GRAPHQLSERVICE_DLL
-		#define GRAPHQLSERVICE_EXPORT __declspec(dllimport)
-	#endif // !IMPL_GRAPHQLSERVICE_DLL
-#else // !GRAPHQL_DLLEXPORTS
-	#define GRAPHQLSERVICE_EXPORT
-#endif // !GRAPHQL_DLLEXPORTS
-// clang-format on
-
-#include "graphqlservice/GraphQLParse.h"
-#include "graphqlservice/GraphQLResponse.h"
-
-#include "graphqlservice/internal/Awaitable.h"
-#include "graphqlservice/internal/SortedMap.h"
-#include "graphqlservice/internal/Version.h"
+#include "GraphQLParse.h"
+#include "GraphQLResponse.h"
+
+#include "internal/Awaitable.h"
+#include "internal/DllExports.h"
+#include "internal/SortedMap.h"
+#include "internal/Version.h"
 
 #include <chrono>
 #include <condition_variable>
diff --git a/include/graphqlservice/JSONResponse.h b/include/graphqlservice/JSONResponse.h
index c264fd82..aeb8609c 100644
--- a/include/graphqlservice/JSONResponse.h
+++ b/include/graphqlservice/JSONResponse.h
@@ -6,19 +6,9 @@
 #ifndef JSONRESPONSE_H
 #define JSONRESPONSE_H
 
-// clang-format off
-#ifdef GRAPHQL_DLLEXPORTS
-	#ifdef IMPL_JSONRESPONSE_DLL
-		#define JSONRESPONSE_EXPORT __declspec(dllexport)
-	#else // !IMPL_JSONRESPONSE_DLL
-		#define JSONRESPONSE_EXPORT __declspec(dllimport)
-	#endif // !IMPL_JSONRESPONSE_DLL
-#else // !GRAPHQL_DLLEXPORTS
-	#define JSONRESPONSE_EXPORT
-#endif // !GRAPHQL_DLLEXPORTS
-// clang-format on
-
-#include "graphqlservice/GraphQLResponse.h"
+#include "GraphQLResponse.h"
+
+#include "internal/DllExports.h"
 
 namespace graphql::response {
 
diff --git a/include/graphqlservice/internal/Base64.h b/include/graphqlservice/internal/Base64.h
index 163e1e84..5aaf1713 100644
--- a/include/graphqlservice/internal/Base64.h
+++ b/include/graphqlservice/internal/Base64.h
@@ -6,17 +6,7 @@
 #ifndef GRAPHQLBASE64_H
 #define GRAPHQLBASE64_H
 
-// clang-format off
-#ifdef GRAPHQL_DLLEXPORTS
-	#ifdef IMPL_GRAPHQLRESPONSE_DLL
-		#define GRAPHQLRESPONSE_EXPORT __declspec(dllexport)
-	#else // !IMPL_GRAPHQLRESPONSE_DLL
-		#define GRAPHQLRESPONSE_EXPORT __declspec(dllimport)
-	#endif // !IMPL_GRAPHQLRESPONSE_DLL
-#else // !GRAPHQL_DLLEXPORTS
-	#define GRAPHQLRESPONSE_EXPORT
-#endif // !GRAPHQL_DLLEXPORTS
-// clang-format on
+#include "DllExports.h"
 
 #include <cstdint>
 #include <string>
diff --git a/include/graphqlservice/internal/DllExports.h b/include/graphqlservice/internal/DllExports.h
new file mode 100644
index 00000000..b6cbfb39
--- /dev/null
+++ b/include/graphqlservice/internal/DllExports.h
@@ -0,0 +1,49 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#pragma once
+
+#ifndef DLLEXPORTS_H
+#define DLLEXPORTS_H
+
+// clang-format off
+#ifdef GRAPHQL_DLLEXPORTS
+	#ifdef IMPL_GRAPHQLCLIENT_DLL
+		#define GRAPHQLCLIENT_EXPORT __declspec(dllexport)
+	#else // !IMPL_GRAPHQLCLIENT_DLL
+		#define GRAPHQLCLIENT_EXPORT __declspec(dllimport)
+	#endif // !IMPL_GRAPHQLCLIENT_DLL
+
+	#ifdef IMPL_GRAPHQLPEG_DLL
+		#define GRAPHQLPEG_EXPORT __declspec(dllexport)
+	#else // !IMPL_GRAPHQLPEG_DLL
+		#define GRAPHQLPEG_EXPORT __declspec(dllimport)
+	#endif // !IMPL_GRAPHQLPEG_DLL
+
+	#ifdef IMPL_GRAPHQLRESPONSE_DLL
+		#define GRAPHQLRESPONSE_EXPORT __declspec(dllexport)
+	#else // !IMPL_GRAPHQLRESPONSE_DLL
+		#define GRAPHQLRESPONSE_EXPORT __declspec(dllimport)
+	#endif // !IMPL_GRAPHQLRESPONSE_DLL
+
+	#ifdef IMPL_GRAPHQLSERVICE_DLL
+		#define GRAPHQLSERVICE_EXPORT __declspec(dllexport)
+	#else // !IMPL_GRAPHQLSERVICE_DLL
+		#define GRAPHQLSERVICE_EXPORT __declspec(dllimport)
+	#endif // !IMPL_GRAPHQLSERVICE_DLL
+
+	#ifdef IMPL_JSONRESPONSE_DLL
+		#define JSONRESPONSE_EXPORT __declspec(dllexport)
+	#else // !IMPL_JSONRESPONSE_DLL
+		#define JSONRESPONSE_EXPORT __declspec(dllimport)
+	#endif // !IMPL_JSONRESPONSE_DLL
+#else // !GRAPHQL_DLLEXPORTS
+	#define GRAPHQLCLIENT_EXPORT
+	#define GRAPHQLPEG_EXPORT
+	#define GRAPHQLRESPONSE_EXPORT
+	#define GRAPHQLSERVICE_EXPORT
+	#define JSONRESPONSE_EXPORT
+#endif // !GRAPHQL_DLLEXPORTS
+// clang-format on
+
+#endif // DLLEXPORTS_H
diff --git a/include/graphqlservice/internal/Grammar.h b/include/graphqlservice/internal/Grammar.h
index 8f3824b1..89bfe0a2 100644
--- a/include/graphqlservice/internal/Grammar.h
+++ b/include/graphqlservice/internal/Grammar.h
@@ -9,7 +9,7 @@
 #ifndef GRAPHQLGRAMMAR_H
 #define GRAPHQLGRAMMAR_H
 
-#include "graphqlservice/internal/SyntaxTree.h"
+#include "SyntaxTree.h"
 
 #include <functional>
 
diff --git a/include/graphqlservice/internal/Introspection.h b/include/graphqlservice/internal/Introspection.h
index 885af384..e7b926f1 100644
--- a/include/graphqlservice/internal/Introspection.h
+++ b/include/graphqlservice/internal/Introspection.h
@@ -8,7 +8,8 @@
 
 #include "graphqlservice/introspection/IntrospectionSchema.h"
 
-#include "graphqlservice/internal/Schema.h"
+#include "DllExports.h"
+#include "Schema.h"
 
 namespace graphql::introspection {
 
diff --git a/include/graphqlservice/internal/Schema.h b/include/graphqlservice/internal/Schema.h
index 24480943..bdc87926 100644
--- a/include/graphqlservice/internal/Schema.h
+++ b/include/graphqlservice/internal/Schema.h
@@ -6,9 +6,15 @@
 #ifndef GRAPHQLSCHEMA_H
 #define GRAPHQLSCHEMA_H
 
-#include "graphqlservice/GraphQLService.h"
+#include "DllExports.h"
+#include "SortedMap.h"
+#include "Version.h"
 
+#include <memory>
+#include <optional>
 #include <shared_mutex>
+#include <string_view>
+#include <vector>
 
 namespace graphql {
 namespace introspection {
diff --git a/include/graphqlservice/internal/SyntaxTree.h b/include/graphqlservice/internal/SyntaxTree.h
index 7e9be03a..fad8ef41 100644
--- a/include/graphqlservice/internal/SyntaxTree.h
+++ b/include/graphqlservice/internal/SyntaxTree.h
@@ -6,7 +6,7 @@
 #ifndef GRAPHQLSYNTAXTREE_H
 #define GRAPHQLSYNTAXTREE_H
 
-#include "graphqlservice/GraphQLParse.h"
+#include "DllExports.h"
 
 #define TAO_PEGTL_NAMESPACE tao::graphqlpeg
 
diff --git a/include/graphqlservice/introspection/IntrospectionSchema.h b/include/graphqlservice/introspection/IntrospectionSchema.h
index 4adaa9af..363d67f2 100644
--- a/include/graphqlservice/introspection/IntrospectionSchema.h
+++ b/include/graphqlservice/introspection/IntrospectionSchema.h
@@ -8,6 +8,9 @@
 #ifndef INTROSPECTIONSCHEMA_H
 #define INTROSPECTIONSCHEMA_H
 
+#include "graphqlservice/GraphQLResponse.h"
+#include "graphqlservice/GraphQLService.h"
+
 #include "graphqlservice/internal/Schema.h"
 
 // Check if the library version is compatible with schemagen 4.5.0
diff --git a/samples/CMakeLists.txt b/samples/CMakeLists.txt
index bddfd792..99131474 100644
--- a/samples/CMakeLists.txt
+++ b/samples/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 add_subdirectory(client)
 add_subdirectory(learn)
@@ -15,7 +15,7 @@ if(GRAPHQL_BUILD_HTTP_SAMPLE)
       try_compile(TEST_RESULT
         ${CMAKE_CURRENT_BINARY_DIR}
         ${CMAKE_CURRENT_SOURCE_DIR}/../cmake/test_boost_beast.cpp
-        CMAKE_FLAGS -DINCLUDE_DIRECTORIES:STRING=${Boost_INCLUDE_DIR}
+        CMAKE_FLAGS -DINCLUDE_DIRECTORIES:STRING=${Boost_INCLUDE_DIRS}
         CXX_STANDARD 20)
 
       if(TEST_RESULT)
diff --git a/samples/client/CMakeLists.txt b/samples/client/CMakeLists.txt
index 71ff74de..b5eb0d8a 100644
--- a/samples/client/CMakeLists.txt
+++ b/samples/client/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 add_subdirectory(query)
 add_subdirectory(mutate)
diff --git a/samples/client/benchmark/CMakeLists.txt b/samples/client/benchmark/CMakeLists.txt
index ea0ab74c..c2ec979e 100644
--- a/samples/client/benchmark/CMakeLists.txt
+++ b/samples/client/benchmark/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/client/multiple/CMakeLists.txt b/samples/client/multiple/CMakeLists.txt
index d011f933..9f72d51d 100644
--- a/samples/client/multiple/CMakeLists.txt
+++ b/samples/client/multiple/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/client/mutate/CMakeLists.txt b/samples/client/mutate/CMakeLists.txt
index 61b3ab67..bdf63420 100644
--- a/samples/client/mutate/CMakeLists.txt
+++ b/samples/client/mutate/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/client/nestedinput/CMakeLists.txt b/samples/client/nestedinput/CMakeLists.txt
index b9714ed2..470a7c71 100644
--- a/samples/client/nestedinput/CMakeLists.txt
+++ b/samples/client/nestedinput/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/client/query/CMakeLists.txt b/samples/client/query/CMakeLists.txt
index dd483b6c..6fbcfcc1 100644
--- a/samples/client/query/CMakeLists.txt
+++ b/samples/client/query/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/client/subscribe/CMakeLists.txt b/samples/client/subscribe/CMakeLists.txt
index fb3ea5eb..6d937548 100644
--- a/samples/client/subscribe/CMakeLists.txt
+++ b/samples/client/subscribe/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/learn/CMakeLists.txt b/samples/learn/CMakeLists.txt
index 3be7bcf0..7c0db253 100644
--- a/samples/learn/CMakeLists.txt
+++ b/samples/learn/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 add_subdirectory(schema)
 add_library(star_wars STATIC
diff --git a/samples/learn/schema/CMakeLists.txt b/samples/learn/schema/CMakeLists.txt
index 2cab0cc0..589e3b6a 100644
--- a/samples/learn/schema/CMakeLists.txt
+++ b/samples/learn/schema/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/learn/schema/StarWarsSchema.h b/samples/learn/schema/StarWarsSchema.h
index 01308601..2511eac0 100644
--- a/samples/learn/schema/StarWarsSchema.h
+++ b/samples/learn/schema/StarWarsSchema.h
@@ -8,6 +8,9 @@
 #ifndef STARWARSSCHEMA_H
 #define STARWARSSCHEMA_H
 
+#include "graphqlservice/GraphQLResponse.h"
+#include "graphqlservice/GraphQLService.h"
+
 #include "graphqlservice/internal/Schema.h"
 
 // Check if the library version is compatible with schemagen 4.5.0
diff --git a/samples/proxy/CMakeLists.txt b/samples/proxy/CMakeLists.txt
index df821c20..e518aca8 100644
--- a/samples/proxy/CMakeLists.txt
+++ b/samples/proxy/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 add_subdirectory(query)
 add_subdirectory(schema)
diff --git a/samples/proxy/query/CMakeLists.txt b/samples/proxy/query/CMakeLists.txt
index f774c8f8..4c8e5e50 100644
--- a/samples/proxy/query/CMakeLists.txt
+++ b/samples/proxy/query/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/proxy/schema/CMakeLists.txt b/samples/proxy/schema/CMakeLists.txt
index 03912cd3..bb9a16a1 100644
--- a/samples/proxy/schema/CMakeLists.txt
+++ b/samples/proxy/schema/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/proxy/schema/ProxySchema.h b/samples/proxy/schema/ProxySchema.h
index c1d565d3..eebe09e9 100644
--- a/samples/proxy/schema/ProxySchema.h
+++ b/samples/proxy/schema/ProxySchema.h
@@ -8,6 +8,9 @@
 #ifndef PROXYSCHEMA_H
 #define PROXYSCHEMA_H
 
+#include "graphqlservice/GraphQLResponse.h"
+#include "graphqlservice/GraphQLService.h"
+
 #include "graphqlservice/internal/Schema.h"
 
 // Check if the library version is compatible with schemagen 4.5.0
diff --git a/samples/today/CMakeLists.txt b/samples/today/CMakeLists.txt
index 7c9eaa33..c3b9b2bb 100644
--- a/samples/today/CMakeLists.txt
+++ b/samples/today/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # todaygraphql
 add_subdirectory(schema)
diff --git a/samples/today/nointrospection/CMakeLists.txt b/samples/today/nointrospection/CMakeLists.txt
index 5bea126a..5f98c0c0 100644
--- a/samples/today/nointrospection/CMakeLists.txt
+++ b/samples/today/nointrospection/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/today/nointrospection/TodaySchema.h b/samples/today/nointrospection/TodaySchema.h
index ebcd3905..ef18f867 100644
--- a/samples/today/nointrospection/TodaySchema.h
+++ b/samples/today/nointrospection/TodaySchema.h
@@ -8,6 +8,9 @@
 #ifndef TODAYSCHEMA_H
 #define TODAYSCHEMA_H
 
+#include "graphqlservice/GraphQLResponse.h"
+#include "graphqlservice/GraphQLService.h"
+
 #include "graphqlservice/internal/Schema.h"
 
 // Check if the library version is compatible with schemagen 4.5.0
diff --git a/samples/today/schema/CMakeLists.txt b/samples/today/schema/CMakeLists.txt
index 0c6403ec..e7e7ee23 100644
--- a/samples/today/schema/CMakeLists.txt
+++ b/samples/today/schema/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/today/schema/TodaySchema.h b/samples/today/schema/TodaySchema.h
index ebcd3905..ef18f867 100644
--- a/samples/today/schema/TodaySchema.h
+++ b/samples/today/schema/TodaySchema.h
@@ -8,6 +8,9 @@
 #ifndef TODAYSCHEMA_H
 #define TODAYSCHEMA_H
 
+#include "graphqlservice/GraphQLResponse.h"
+#include "graphqlservice/GraphQLService.h"
+
 #include "graphqlservice/internal/Schema.h"
 
 // Check if the library version is compatible with schemagen 4.5.0
diff --git a/samples/validation/CMakeLists.txt b/samples/validation/CMakeLists.txt
index 8db4b408..5968f24b 100644
--- a/samples/validation/CMakeLists.txt
+++ b/samples/validation/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 if(GRAPHQL_BUILD_TESTS)
   add_subdirectory(schema)
diff --git a/samples/validation/schema/CMakeLists.txt b/samples/validation/schema/CMakeLists.txt
index 106fad47..4d680f6c 100644
--- a/samples/validation/schema/CMakeLists.txt
+++ b/samples/validation/schema/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/samples/validation/schema/ValidationSchema.h b/samples/validation/schema/ValidationSchema.h
index be93c2b8..66208163 100644
--- a/samples/validation/schema/ValidationSchema.h
+++ b/samples/validation/schema/ValidationSchema.h
@@ -8,6 +8,9 @@
 #ifndef VALIDATIONSCHEMA_H
 #define VALIDATIONSCHEMA_H
 
+#include "graphqlservice/GraphQLResponse.h"
+#include "graphqlservice/GraphQLService.h"
+
 #include "graphqlservice/internal/Schema.h"
 
 // Check if the library version is compatible with schemagen 4.5.0
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2d763474..6bab8b34 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 if(GRAPHQL_UPDATE_VERSION)
   # internal/Version.h
diff --git a/src/SchemaGenerator.cpp b/src/SchemaGenerator.cpp
index 59c41549..6feaea8d 100644
--- a/src/SchemaGenerator.cpp
+++ b/src/SchemaGenerator.cpp
@@ -109,7 +109,10 @@ bool Generator::outputHeader() const noexcept
 	IncludeGuardScope includeGuard { headerFile,
 		std::filesystem::path(_headerPath).filename().string() };
 
-	headerFile << R"cpp(#include "graphqlservice/internal/Schema.h"
+	headerFile << R"cpp(#include "graphqlservice/GraphQLResponse.h"
+#include "graphqlservice/GraphQLService.h"
+
+#include "graphqlservice/internal/Schema.h"
 
 // Check if the library version is compatible with schemagen )cpp"
 			   << graphql::internal::MajorVersion << R"cpp(.)cpp" << graphql::internal::MinorVersion
diff --git a/src/introspection/CMakeLists.txt b/src/introspection/CMakeLists.txt
index 82b8203d..329b95a7 100644
--- a/src/introspection/CMakeLists.txt
+++ b/src/introspection/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 # Normally this would be handled by find_package(cppgraphqlgen CONFIG).
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../cmake/cppgraphqlgen-functions.cmake)
diff --git a/src/introspection/IntrospectionSchema.h b/src/introspection/IntrospectionSchema.h
index 4adaa9af..363d67f2 100644
--- a/src/introspection/IntrospectionSchema.h
+++ b/src/introspection/IntrospectionSchema.h
@@ -8,6 +8,9 @@
 #ifndef INTROSPECTIONSCHEMA_H
 #define INTROSPECTIONSCHEMA_H
 
+#include "graphqlservice/GraphQLResponse.h"
+#include "graphqlservice/GraphQLService.h"
+
 #include "graphqlservice/internal/Schema.h"
 
 // Check if the library version is compatible with schemagen 4.5.0
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index a3b0d52f..9e0a8150 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.28)
 
 find_package(GTest MODULE REQUIRED)
 
diff --git a/vcpkg b/vcpkg
new file mode 160000
index 00000000..7aeffc91
--- /dev/null
+++ b/vcpkg
@@ -0,0 +1 @@
+Subproject commit 7aeffc91033ad35cc4e2c152f213a866ec6c11ac