diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f5ef58bd..e7e2e855 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup
         uses: actions/setup-dotnet@v4.0.0
@@ -53,7 +53,7 @@ jobs:
       image: corentinaltepe/doxygen
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Install GraphViz
         run: apk update && apk add graphviz font-bitstream-type1 ghostscript-fonts