diff --git a/.github/workflows/ci-disable-gtest.yml b/.github/workflows/ci-disable-gtest.yml
index c87ed8bc06..15aa136295 100644
--- a/.github/workflows/ci-disable-gtest.yml
+++ b/.github/workflows/ci-disable-gtest.yml
@@ -5,7 +5,13 @@
 #   * Disables gtest.
 
 name: CI Disable GTest
-on: [push, pull_request]
+on:
+  push
+  pull_request:
+    paths:
+      - '**CMakeLists.txt**'
+      - 'cmake/**'
+      - 'ext/**'
 
 permissions:
   contents: read
diff --git a/.github/workflows/ci-linux-static-old-local.yml b/.github/workflows/ci-linux-static-old-local.yml
index 99aada918c..d5f700b8cb 100644
--- a/.github/workflows/ci-linux-static-old-local.yml
+++ b/.github/workflows/ci-linux-static-old-local.yml
@@ -1,5 +1,10 @@
 name: CI Unix Static For AVIF_LOCAL
-on: [push, pull_request]
+  push
+  pull_request:
+    paths:
+      - '**CMakeLists.txt**'
+      - 'cmake/**'
+      - 'ext/**'
 
 permissions:
   contents: read
diff --git a/.github/workflows/ci-unix-shared-local.yml b/.github/workflows/ci-unix-shared-local.yml
index 12f52dbc1c..ccf2ba3229 100644
--- a/.github/workflows/ci-unix-shared-local.yml
+++ b/.github/workflows/ci-unix-shared-local.yml
@@ -4,7 +4,12 @@
 #   * Does not build rav1e, SVT-AV1 nor libgav1.
 
 name: CI Unix Shared Local
-on: [push, pull_request]
+  push
+  pull_request:
+    paths:
+      - '**CMakeLists.txt**'
+      - 'cmake/**'
+      - 'ext/**'
 
 permissions:
   contents: read
diff --git a/.github/workflows/ci-unix-static-av2.yml b/.github/workflows/ci-unix-static-av2.yml
index 60b2d7d23f..c86d858fa9 100644
--- a/.github/workflows/ci-unix-static-av2.yml
+++ b/.github/workflows/ci-unix-static-av2.yml
@@ -1,5 +1,10 @@
 name: CI Unix Static AV2
-on: [push, pull_request]
+  push
+  pull_request:
+    paths:
+      - '**CMakeLists.txt**'
+      - 'cmake/**'
+      - 'ext/**'
 
 permissions:
   contents: read
diff --git a/.github/workflows/ci-unix-static-sanitized.yml b/.github/workflows/ci-unix-static-sanitized.yml
index f3371a320e..e3ef57c602 100644
--- a/.github/workflows/ci-unix-static-sanitized.yml
+++ b/.github/workflows/ci-unix-static-sanitized.yml
@@ -1,5 +1,10 @@
 name: CI Unix Static Sanitized
-on: [ push, pull_request ]
+  push
+  pull_request:
+    paths:
+      - '**CMakeLists.txt**'
+      - 'cmake/**'
+      - 'ext/**'
 
 permissions:
   contents: read
diff --git a/.github/workflows/ci-unix-static.yml b/.github/workflows/ci-unix-static.yml
index 32d858edca..550bd5dbdc 100644
--- a/.github/workflows/ci-unix-static.yml
+++ b/.github/workflows/ci-unix-static.yml
@@ -1,5 +1,10 @@
 name: CI Unix Static
-on: [push, pull_request]
+  push
+  pull_request:
+    paths:
+      - '**CMakeLists.txt**'
+      - 'cmake/**'
+      - 'ext/**'
 
 permissions:
   contents: read
diff --git a/.github/workflows/ci-windows-installed.yml b/.github/workflows/ci-windows-installed.yml
index 3955e78c0d..14de9ba8c1 100644
--- a/.github/workflows/ci-windows-installed.yml
+++ b/.github/workflows/ci-windows-installed.yml
@@ -5,10 +5,7 @@
 #   * TODO: use proper installations of libgav1, libsharpyuv and SVT once released.
 
 name: CI Windows Installed
-on:
-  push:
-    branches:
-      - main
+on: [push]
 
 permissions:
   contents: read
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index ec23064106..e9e010f13c 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -11,7 +11,12 @@
 #   * Builds with local zlib and libpng (-DAVIF_ZLIBPNG=LOCAL).
 
 name: CI Windows
-on: [push, pull_request]
+  push
+  pull_request:
+    paths:
+      - '**CMakeLists.txt**'
+      - 'cmake/**'
+      - 'ext/**'
 
 permissions:
   contents: read
@@ -22,7 +27,7 @@ concurrency:
   cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 jobs:
-  build-static:
+  build-windows:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index 7b2bd2b77e..2379eee98d 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -4,8 +4,6 @@ on:
     paths:
       - 'cmake/**'
       - 'ext/**'
-      - 'include/**'
-      - 'src/**'
       - 'tests/gtest/**'
       - 'tests/oss-fuzz/**'