diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index d2795a3..e24d7c2 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -45,7 +45,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # 4.1.1
       with:
         persist-credentials: false
     - uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # v3.3.2
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 1666d90..07b235c 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -29,7 +29,7 @@ jobs:
         java: [ 8 ]
 
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # 4.1.1
       with:
         persist-credentials: false
     - uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # v3.3.2