diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0b1e0c4..583cc40 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v6
         with:
           # 8 is the target; 9 matches the local SDK so analyzers behave the same locally and in CI.
           dotnet-version: |
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c1ef7b9..800f9ca 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -32,7 +32,7 @@ jobs:
 
       - name: Setup .NET
         if: matrix.build-mode == 'manual'
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x