diff --git a/.github/workflows/markdownlint.yml b/.github/workflows/markdownlint.yml
index 2dffb10..b0eba41 100644
--- a/.github/workflows/markdownlint.yml
+++ b/.github/workflows/markdownlint.yml
@@ -5,6 +5,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out code
-      uses: actions/checkout@master
+      uses: actions/checkout@2
     - name: Run mdl
-      uses: actionshub/markdownlint@master
+      uses: actionshub/markdownlint@2.0.2