diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d2bb92a06..56ec93981 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
         uses: crystal-lang/install-crystal@v1
 
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: shards install
diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 78fa15101..4692f3330 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
diff --git a/.github/workflows/ci-nightly.yml b/.github/workflows/ci-nightly.yml
index 0db30d7e9..99dc0555c 100644
--- a/.github/workflows/ci-nightly.yml
+++ b/.github/workflows/ci-nightly.yml
@@ -21,7 +21,7 @@ jobs:
           crystal: nightly
 
       - name: Download source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: shards install
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a705128c..d0cb766df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
           crystal: latest
 
       - name: Download source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: shards install