diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a0c7417..ea736e8 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/covector-status.yml b/.github/workflows/covector-status.yml
index 4853d88..b9ebd7e 100644
--- a/.github/workflows/covector-status.yml
+++ b/.github/workflows/covector-status.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0 # required for use of git history
       - name: covector status
diff --git a/.github/workflows/covector-version-or-publish.yml b/.github/workflows/covector-version-or-publish.yml
index 9efd5f8..649f318 100644
--- a/.github/workflows/covector-version-or-publish.yml
+++ b/.github/workflows/covector-version-or-publish.yml
@@ -19,7 +19,7 @@ jobs:
       successfulPublish: ${{ steps.covector.outputs.successfulPublish }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: git config
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a0361bf..81da48a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,7 +40,7 @@ jobs:
 
     runs-on: ${{ matrix.platform.os }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     
     - name: setup node
       uses: actions/setup-node@v3