diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b26b6e3fe..1595f10d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -90,7 +90,7 @@ jobs:
 
     steps:
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Install dependencies
       run: |
@@ -170,7 +170,7 @@ jobs:
 
     steps:
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Install dependencies
       run: |
@@ -214,7 +214,7 @@ jobs:
     steps:
 
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Install dependencies
       run: |
@@ -254,7 +254,7 @@ jobs:
 
     steps:
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Install dependencies
       run: |
@@ -318,7 +318,7 @@ jobs:
         ;
         brew install asciidoctor cjson guile lua pkg-config ruby
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Build
       env: