diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b5e41b..e119769 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
           python-version: '3.x'
 
       - name: Cache python modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
diff --git a/.github/workflows/rank.yml b/.github/workflows/rank.yml
index 91cc830..ab2f613 100644
--- a/.github/workflows/rank.yml
+++ b/.github/workflows/rank.yml
@@ -24,7 +24,7 @@ jobs:
         python-version: '3.x'
         cache: pip
 
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       with:
         path: tmp/rc-cache
         key: rc-cache