diff --git a/.github/workflows/freethreading_tests.yml b/.github/workflows/freethreading_tests.yml
index 3c75d95..0a3089e 100644
--- a/.github/workflows/freethreading_tests.yml
+++ b/.github/workflows/freethreading_tests.yml
@@ -78,7 +78,7 @@ jobs:
 
       - name: Cache CPython ${{ matrix.sanitizer }} build
         id: cache-cpython
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: cpython-${{ matrix.sanitizer }}
           key: cpython-${{ matrix.sanitizer }}-3.14-${{ runner.os }}-v1