diff --git a/csharp-build/action.yml b/csharp-build/action.yml
index f382416..a51e9d6 100644
--- a/csharp-build/action.yml
+++ b/csharp-build/action.yml
@@ -148,7 +148,7 @@ runs:
         echo "Final detected .NET version: $detected_version" >&2
 
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@2016bd2012dba4e32de620c46fe006a3ac9f0602 # v5.0.1
+      uses: actions/setup-dotnet@baa11fbfe1d6520db94683bd5c7a3818018e4309 # v5.1.0
       with:
         dotnet-version: ${{ steps.detect-dotnet-version.outputs.detected-version }}
         cache: true
diff --git a/csharp-lint-check/action.yml b/csharp-lint-check/action.yml
index 3ff9383..967a93d 100644
--- a/csharp-lint-check/action.yml
+++ b/csharp-lint-check/action.yml
@@ -164,7 +164,7 @@ runs:
         echo "Final detected .NET version: $detected_version" >&2
 
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@2016bd2012dba4e32de620c46fe006a3ac9f0602 # v5.0.1
+      uses: actions/setup-dotnet@baa11fbfe1d6520db94683bd5c7a3818018e4309 # v5.1.0
       with:
         dotnet-version: ${{ steps.detect-dotnet-version.outputs.detected-version }}
         cache: true
diff --git a/csharp-publish/action.yml b/csharp-publish/action.yml
index 17fd2db..53976d8 100644
--- a/csharp-publish/action.yml
+++ b/csharp-publish/action.yml
@@ -162,7 +162,7 @@ runs:
         echo "Final detected .NET version: $detected_version" >&2
 
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@2016bd2012dba4e32de620c46fe006a3ac9f0602 # v5.0.1
+      uses: actions/setup-dotnet@baa11fbfe1d6520db94683bd5c7a3818018e4309 # v5.1.0
       with:
         dotnet-version: ${{ inputs.dotnet-version || steps.detect-dotnet-version.outputs.detected-version }}
         cache: true