diff --git a/.github/workflows/cli_setup.yml b/.github/workflows/cli_setup.yml
index 12d1ab4..137f7ea 100644
--- a/.github/workflows/cli_setup.yml
+++ b/.github/workflows/cli_setup.yml
@@ -17,7 +17,7 @@ jobs:
         python-version: [3.7, 3.8, 3.9]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.4
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
@@ -45,7 +45,7 @@ jobs:
       QMK_HOME: $HOME/qmk_firmware
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.4
 
     - name: (MSYS2) Setup and install dependencies
       uses: msys2/setup-msys2@v2
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 1482cf4..afbd671 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v2.3.4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 834db14..61e4909 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v2.3.4
     - name: Set up Python
       uses: actions/setup-python@v2
       with: