diff --git a/.github/workflows/linux_build.yml b/.github/workflows/linux_build.yml
index a74eec9..702766a 100644
--- a/.github/workflows/linux_build.yml
+++ b/.github/workflows/linux_build.yml
@@ -14,6 +14,11 @@ jobs:
         config: [Release, Debug]
         standalone: [OFF, ON]
         toolchain: [linux-gnu, linux-clang]
+        isPR:
+          - ${{ github.event_name == 'pull_request' }}
+        exclude:
+          - isPR: true
+            standalone: OFF
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies
diff --git a/.github/workflows/mac_build.yml b/.github/workflows/mac_build.yml
index ade3b88..6b1d170 100644
--- a/.github/workflows/mac_build.yml
+++ b/.github/workflows/mac_build.yml
@@ -14,6 +14,11 @@ jobs:
         config: [Release, Debug]
         standalone: [OFF, ON]
         toolchain: [macos-clang, macos-gnu] # remove temporary macos-clang-llvm
+        isPR:
+          - ${{ github.event_name == 'pull_request' }}
+        exclude:
+          - isPR: true
+            standalone: OFF
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies
diff --git a/.github/workflows/windows_build.yml b/.github/workflows/windows_build.yml
index 3ef6b6e..6afa6f9 100644
--- a/.github/workflows/windows_build.yml
+++ b/.github/workflows/windows_build.yml
@@ -16,6 +16,13 @@ jobs:
         standalone: [OFF, ON]
         generate: [Visual Studio 17 2022, Ninja]
         arch: [x64, Win32]
+        isPR:
+          - ${{ github.event_name == 'pull_request' }}
+        exclude: 
+          - toolchain: windows-clang-cl
+            arch: Win32
+          - isPR: true
+            standalone: OFF
         exclude: 
           - toolchain: windows-clang-cl
             arch: Win32