diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1fd89186..7c288aad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -86,7 +86,7 @@ jobs:
           dotnet-version: ${{ env.DOTNET_VERSION }}
 
       - name: Cache SonarQube Cloud packages
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
@@ -247,7 +247,7 @@ jobs:
           dotnet-version: ${{ env.DOTNET_VERSION }}
 
       - name: Cache NuGet packages
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj', '**/*.props') }}
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 38aa739d..7db9aebf 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -34,7 +34,7 @@ jobs:
           bun-version: latest
 
       - name: Cache NuGet packages
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj', '**/*.props') }}