diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 95102a03..52262c37 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,7 +14,7 @@ jobs:
 
       - name: Cache
         id: cache-primes
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cache/instant