diff --git a/.github/workflows/build-and-test.yaml b/.github/workflows/build-and-test.yaml
index 8b1beafa..9abafdda 100644
--- a/.github/workflows/build-and-test.yaml
+++ b/.github/workflows/build-and-test.yaml
@@ -72,7 +72,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 9.0.x
 
@@ -138,7 +138,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 9.0.x
 
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index bb2245d4..a086dea6 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup .NET 9
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: "9.0.x"