diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a3934e24..7735bfdb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Git checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: Setup Scala
         uses: japgolly/setup-everything-scala@v2.0