diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7d7d5f1..46b8342 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
 
       # Cache pakietów NuGet (klucz po hashu plików .csproj) — szybszy restore.
       - name: Cache NuGet
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj') }}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 18c354c..13955b7 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -35,7 +35,7 @@ jobs:
           dotnet-version: 8.0.x
 
       - name: Cache NuGet
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj') }}