diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 48717e5ec7..539742f5a5 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -93,7 +93,7 @@ jobs:
       # CACHING - speeds up repeat runs significantly
       # ================================================================
       - name: Cache NuGet packages
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: packages
           key: nuget-${{ runner.os }}-${{ hashFiles('**/*.csproj', '**/packages.config', '**/Directory.Packages.props', 'nuget.config') }}
@@ -101,7 +101,7 @@ jobs:
             nuget-${{ runner.os }}-
 
       - name: Cache Serena language servers
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ~/.cache/serena