diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c1ead3..c4b7db7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ jobs:
         echo "UV_CACHE_DIR=$(uv cache dir)" >> $GITHUB_ENV
 
     - name: Cache dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v6
       with:
         path: ${{ env.UV_CACHE_DIR }}
         key: ${{ runner.os }}-${{ matrix.python-version }}-uv-${{ hashFiles('pyproject.toml') }}
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 705753d..d956cc1 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -40,7 +40,7 @@ jobs:
         echo "UV_CACHE_DIR=$(uv cache dir)" >> $GITHUB_ENV
 
     - name: Cache dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v6
       with:
         path: ${{ env.UV_CACHE_DIR }}
         key: ${{ runner.os }}-uv-${{ hashFiles('pyproject.toml') }}