diff --git a/.github/workflows/builds-review.yaml b/.github/workflows/builds-review.yaml
index 40651286f4..cad5d250b0 100644
--- a/.github/workflows/builds-review.yaml
+++ b/.github/workflows/builds-review.yaml
@@ -48,7 +48,7 @@ jobs:
 
       # Clean checkout of specific git ref needed for package metadata version
       # which needs env vars GIT_DESCRIBE_TAG and GIT_BUILD_STR:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           ref: ${{ github.ref }}
           clean: true
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 23a93bb620..11bd69c67b 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -22,7 +22,7 @@ jobs:
     if: '!github.event.repository.fork'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           fetch-depth: 0
       - name: Setup
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index e6817ddf7b..9ec951a22f 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -19,7 +19,7 @@ jobs:
       GLOBAL: https://raw.githubusercontent.com/conda/infra/main/.github/global.yml
       LOCAL: .github/labels.yml
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
       - id: has_local
         uses: andstor/file-existence-action@076e0072799f4942c8bc574a82233e1e4d13e9d6
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3ff3dd50b4..e548cc609a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -45,7 +45,7 @@ jobs:
       code: ${{ steps.filter.outputs.code }}
     steps:
       - name: Checkout Source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         # dorny/paths-filter needs git clone for non-PR events
         # https://github.com/dorny/paths-filter#supported-workflows
         if: github.event_name != 'pull_request'
@@ -102,7 +102,7 @@ jobs:
 
     steps:
       - name: Checkout Source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           fetch-depth: 0
 
@@ -182,7 +182,7 @@ jobs:
 
     steps:
       - name: Checkout Source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           fetch-depth: 0
 
@@ -262,7 +262,7 @@ jobs:
 
     steps:
       - name: Checkout Source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           fetch-depth: 0
 
@@ -366,7 +366,7 @@ jobs:
 
     steps:
       - name: Checkout Source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           fetch-depth: 0
 
@@ -504,7 +504,7 @@ jobs:
       # Clean checkout of specific git ref needed for package metadata version
       # which needs env vars GIT_DESCRIBE_TAG and GIT_BUILD_STR:
       - name: Checkout Source
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           ref: ${{ github.ref }}
           clean: true