diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index ce678d13..08f3f813 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -36,7 +36,7 @@ jobs:
       uses: NuGet/setup-nuget@v4
 
     - name: Setup MSBuild.exe
-      uses: microsoft/setup-msbuild@v3.0.0
+      uses: microsoft/setup-msbuild@30375c66a4eea26614e0d39710365f22f8b0af57 # v3.0.0
 
     - name: Restore the application
       run: nuget restore ./src/XmlNotepad.sln
diff --git a/.github/workflows/dotnet-desktop.yml b/.github/workflows/dotnet-desktop.yml
index af5c6bc9..bb859e29 100644
--- a/.github/workflows/dotnet-desktop.yml
+++ b/.github/workflows/dotnet-desktop.yml
@@ -34,7 +34,7 @@ jobs:
 
     # Add  MSBuild to the PATH: https://github.com/microsoft/setup-msbuild
     - name: Setup MSBuild.exe
-      uses: microsoft/setup-msbuild@v3.0.0
+      uses: microsoft/setup-msbuild@30375c66a4eea26614e0d39710365f22f8b0af57 # v3.0.0
 
     # Restore the application
     - name: Restore the application