diff --git a/.github/workflows/neocities.yml b/.github/workflows/neocities.yml
index 71b72d8..9e54390 100644
--- a/.github/workflows/neocities.yml
+++ b/.github/workflows/neocities.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v2.3.4
     # Set up any tools and build steps here
     # This example uses a Node.js toolchain to build a site
     - name: Use Node.js
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d721705..c3252f7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
   version_and_release:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.2
+    - uses: actions/checkout@v2.3.4
       with:
         # fetch full history so things like auto-changelog work properly
         fetch-depth: 0
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f5ff405..e5eae51 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
         node: [15]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v2.3.4
     - name: Use Node.js ${{ matrix.node }}
       uses: actions/setup-node@v2.1.5
       with: