diff --git a/.github/workflows/digger_ci.yml b/.github/workflows/digger_ci.yml
index 9c71d44..cafc848 100644
--- a/.github/workflows/digger_ci.yml
+++ b/.github/workflows/digger_ci.yml
@@ -46,7 +46,7 @@ jobs:
         otp-version: ${{ matrix.pair.otp }}
         elixir-version: ${{ matrix.pair.elixir }}
     - name: Restore dependencies cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: deps
         key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}-${{ matrix.otp }}