diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f20780e65..9a7c95ebf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,7 +58,7 @@ jobs:
     - name: Coursier cache
       uses: coursier/cache-action@v5
     - name: Cache sbt
-      uses: actions/cache@v1
+      uses: actions/cache@v2.1.3
       with:
         path: ~/.sbt
         key: ${{ runner.os }}-sbt-cache-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}