diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9150262..8382e17 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
     
     steps:
     - name: clone
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
     - name: install go
       uses: actions/setup-go@v4
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 7f611f0..75beb29 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index d5a816f..8268188 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -14,7 +14,7 @@ jobs:
     
     steps:
     - name: clone
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       with:
         # ensures we fetch tag history for the repository
         fetch-depth: 0
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index b5e526c..0c600a0 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
     - name: clone
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       with:
         # ensures we fetch tag history for the repository
         fetch-depth: 0
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 4745f5e..ab9001f 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -12,7 +12,7 @@ jobs:
     
     steps:
     - name: clone
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
     - name: install go
       uses: actions/setup-go@v4
@@ -35,7 +35,7 @@ jobs:
     
     steps:
     - name: clone
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
     - name: install go
       uses: actions/setup-go@v4
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 145648a..a4d0df2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     
     steps:
     - name: clone
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
     - name: install go
       uses: actions/setup-go@v4
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 107c7d1..2a5f379 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -13,7 +13,7 @@ jobs:
     
     steps:
     - name: clone
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
     - name: install go
       uses: actions/setup-go@v4