diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 711268ddc..337c99875 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -39,7 +39,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with:
diff --git a/.github/workflows/JuliaNightly.yml b/.github/workflows/JuliaNightly.yml
index 272312a0a..55b5fba07 100644
--- a/.github/workflows/JuliaNightly.yml
+++ b/.github/workflows/JuliaNightly.yml
@@ -22,7 +22,7 @@ jobs:
         with:
           version: nightly
           arch: x64
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         env:
           cache-name: julia-nightly-cache-artifacts
         with: