diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c4ef10c..ba9ec25 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
           - { name: "Scala 3.2.2", version: "3.2.2", binary-version: "3", java-version: "11", java-distribution: "temurin", report: "report" }
 
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v4.0.0
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 66f9841..7834fe2 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -23,7 +23,7 @@ jobs:
           - { name: "Scala 3", version: "3.1.3",   binary-version: "3",    java-version: "11", java-distribution: "temurin", report: "" }
 
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v4.0.0
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 08b3ae7..c03770d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,7 @@ jobs:
           - { name: "Scala 3", version: "3.1.3", binary-version: "3", java-version: "11", java-distribution: "temurin", report: "" }
 
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v4.0.0
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
@@ -74,7 +74,7 @@ jobs:
           - { name: "Scala 3", version: "3.2.2", binary-version: "3", java-version: "11", java-distribution: "temurin", report: "report" }
 
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v4.0.0
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
@@ -117,7 +117,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3.5.3
+    - uses: actions/checkout@v4.0.0
     - uses: actions/setup-java@v3
       with:
         java-version: ${{ env.GH_JAVA_VERSION }}
@@ -152,7 +152,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v4.0.0
         with:
           fetch-depth: 0
       - uses: actions/setup-java@v3
@@ -203,7 +203,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v4.0.0
         with:
           fetch-depth: 0
       - uses: actions/setup-java@v3