diff --git a/pr-checks/sync.ts b/pr-checks/sync.ts
index 4329fc01e..fb62f1639 100755
--- a/pr-checks/sync.ts
+++ b/pr-checks/sync.ts
@@ -288,8 +288,8 @@ const languageSetups: LanguageSetups = {
         name: "Install .NET",
         uses: pinnedUses(
           "actions/setup-dotnet",
-          "26b0ec14cb23fa6904739307f278c14f94c95bf1",
-          "v5.4.0",
+          "a98b56852c35b8e3190ac28c8c2271da59106c68",
+          "v6.0.0",
         ),
         with: {
           "dotnet-version": `\${{ inputs.dotnet-version || '${defaultLanguageVersions.csharp}' }}`,