diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index f24f9c2..a90df76 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,5 +1,5 @@
 {
-  "image": "benniwi/learn2code:base",
+  "image": "benniwi/learn2code:24.04_base",
 
   // Configure tool-specific properties.
 "customizations": {
diff --git a/.github/workflows/build_and_test_code.yml b/.github/workflows/build_and_test_code.yml
index f7202cd..f13f4d6 100644
--- a/.github/workflows/build_and_test_code.yml
+++ b/.github/workflows/build_and_test_code.yml
@@ -15,7 +15,7 @@ jobs:
     # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
     # You can convert this to a matrix build if you need cross-platform coverage.
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@v3
@@ -47,7 +47,7 @@ jobs:
         path: linux_binary_dir
       
   build_windows:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     
     steps: 
     - uses: actions/checkout@v3
@@ -75,7 +75,7 @@ jobs:
         path: windows_binary_dir
         
   build_macos:
-    runs-on: macos-11
+    runs-on: macos-15
     
     steps: 
         
diff --git a/.github/workflows/clang-format_checks.yml b/.github/workflows/clang-format_checks.yml
index 76ec597..889aae3 100644
--- a/.github/workflows/clang-format_checks.yml
+++ b/.github/workflows/clang-format_checks.yml
@@ -15,5 +15,5 @@ jobs:
     - name: Run clang-format style check for C/C++/Protobuf programs.
       uses: jidicula/clang-format-action@v4.10.2
       with:
-        clang-format-version: '10'
+        clang-format-version: '18'
         check-path: '.'
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
index ea5e06c..751bcd4 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -31,9 +31,9 @@
   "[cpp]": {
       "editor.defaultFormatter": "xaver.clang-format"
   },
-  "clang-format.executable": "clang-format",
+  "clang-format.executable": "clang-format-18",
 
-  "clang-tidy.executable": "clang-tidy",
+  "clang-tidy.executable": "clang-tidy-18",
   "clang-tidy.fixOnSave": true,
   "clang-tidy.lintOnSave": true,
   "clang-tidy.compilerArgs": [
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f0bd9a4..3dcc48f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,4 +2,5 @@ cmake_minimum_required(VERSION 3.20)
 
 project(learn2code_demo_1 LANGUAGES C CXX)
 
-add_subdirectory(./code)
\ No newline at end of file
+add_subdirectory(./code)
+enable_testing()
\ No newline at end of file
diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index 5c314cb..c8801ba 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -37,6 +37,7 @@ target_link_libraries(demo_1_main PRIVATE uni_library)
 # installing targets
 install(TARGETS demo_1_main DESTINATION .)
 
+include(CTest)
 if(NOT WIN32)
     # enable the testing
     enable_testing()