diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 782041a8a..72bdf237d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up JDK 17
       uses: actions/setup-java@v3
diff --git a/.github/workflows/code-formatting.yml b/.github/workflows/code-formatting.yml
index 749569623..6ee8f92fe 100644
--- a/.github/workflows/code-formatting.yml
+++ b/.github/workflows/code-formatting.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up JDK
       uses: actions/setup-java@v3
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a48696100..7cd898691 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - uses: actions/setup-java@v3
       with:
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index e2bbe639e..00969a2a9 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up JDK
       uses: actions/setup-java@v3
@@ -52,7 +52,7 @@ jobs:
         output-file: build/gh-pages/coverage-badge.json
 
     - name: Check out GitHub Pages branch
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: gh-pages
         clean: false
diff --git a/.github/workflows/release-verify-signatures.yml b/.github/workflows/release-verify-signatures.yml
index e2ff48b54..7f45f2878 100644
--- a/.github/workflows/release-verify-signatures.yml
+++ b/.github/workflows/release-verify-signatures.yml
@@ -44,7 +44,7 @@ jobs:
 
     steps:
     - name: check out code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.ref_name }}