diff --git a/.github/workflows/lint-and-fmt.yml b/.github/workflows/lint-and-fmt.yml
index e315c86..4b1103d 100644
--- a/.github/workflows/lint-and-fmt.yml
+++ b/.github/workflows/lint-and-fmt.yml
@@ -33,7 +33,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: poetry-cache
         with:
           path: |
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index a091a36..c64fe94 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -28,7 +28,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: poetry-cache
         with:
           path: |