diff --git a/.github/workflows/backend-lint.yml b/.github/workflows/backend-lint.yml
index b9e3770..7931389 100644
--- a/.github/workflows/backend-lint.yml
+++ b/.github/workflows/backend-lint.yml
@@ -14,7 +14,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v7.0.1
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt, clippy
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 5fc98e6..a8c37f7 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.1.1
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4.1.1
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@959cbb7472c4d4ad70f4d6894a946c4ee1f27409 # v3.24.10
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9fa3a6a..aa08113 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.1.1
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4.1.1
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index 7de77f4..6cf7eb4 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -16,7 +16,7 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v7.0.1
       - uses: ludeeus/action-shellcheck@master
         with:
           scandir: './scripts'