diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 7700ab3..1f8b55d 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -21,7 +21,7 @@ jobs:
           curl -sSL https://install.python-poetry.org | python3 -
           echo "$HOME/.local/bin" >> $GITHUB_PATH
       - name: Cache Poetry dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cache/pypoetry
@@ -56,7 +56,7 @@ jobs:
           curl -sSL https://install.python-poetry.org | python3 -
           echo "$HOME/.local/bin" >> $GITHUB_PATH
       - name: Cache Poetry dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cache/pypoetry