diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1782598..102063d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           clean: 'false'
           fetch-depth: '0'
@@ -65,7 +65,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.event_name == 'push' }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
         with:
           clean: 'false'
           fetch-depth: '0'
diff --git a/.github/workflows/close-milestone.yml b/.github/workflows/close-milestone.yml
index 4c47a3f..633a93e 100644
--- a/.github/workflows/close-milestone.yml
+++ b/.github/workflows/close-milestone.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/dependabot-merge.yml b/.github/workflows/dependabot-merge.yml
index dbf4ca8..d67f411 100644
--- a/.github/workflows/dependabot-merge.yml
+++ b/.github/workflows/dependabot-merge.yml
@@ -25,7 +25,7 @@ jobs:
         env:
           RUNNER_CONTEXT: ${{ toJson(runner) }}
         run: echo "$RUNNER_CONTEXT"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
         with:
           ref: master
       - name: Dependabot Commenter
diff --git a/.github/workflows/draft-release.yml b/.github/workflows/draft-release.yml
index fda8498..df2200a 100644
--- a/.github/workflows/draft-release.yml
+++ b/.github/workflows/draft-release.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 7fe59c8..e73dd3b 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -10,7 +10,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
         with:
           clean: 'false'
           fetch-depth: '0'
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index 00e71a6..1647720 100644
--- a/.github/workflows/sync-labels.yml
+++ b/.github/workflows/sync-labels.yml
@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - name: Checkout tools repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           repository: RocketSurgeonsGuild/.github
           path: .rsg
diff --git a/.github/workflows/update-milestone.yml b/.github/workflows/update-milestone.yml
index d9ff356..bfcaff3 100644
--- a/.github/workflows/update-milestone.yml
+++ b/.github/workflows/update-milestone.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - name: sync milestones
         uses: RocketSurgeonsGuild/actions/sync-milestone@v0.2.4