diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d4183d80..b9ba51aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,7 +66,7 @@ jobs:
       - name: Set JULIA_NUM_THREADS for Julia 1.10 on Ubuntu
         if: matrix.version == '1.10' && matrix.os == 'ubuntu-latest' && (matrix.test_set == 'hmc_estimation' || matrix.test_set == 'tempering_estimation' || matrix.test_set == '2nd_order_estimation' || matrix.test_set == '3rd_order_estimation')
         run: echo "JULIA_NUM_THREADS=auto" >> $GITHUB_ENV
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with: