diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c892555..455fd36 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         rust: [stable]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}