diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ca476e8..a1c30e4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,7 +24,7 @@ jobs:
           - { name: "Scala 3", version: "3.0.2",   binary-version: "3",    java-version: "11", java-distribution: "temurin", report: "" }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - 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 0bef133..e67c313 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -23,7 +23,7 @@ jobs:
           - { name: "Scala", java-version: "11", java-distribution: "temurin", report: "" }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 804d376..25f345f 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -21,7 +21,7 @@ jobs:
           - { name: "Scala 2", version: "2.13.6",  binary-version: "2.13", java-version: "11", java-distribution: "temurin", report: "report" }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/doc-site-build-only.yml b/.github/workflows/doc-site-build-only.yml
index 8f645d0..5b7d4be 100644
--- a/.github/workflows/doc-site-build-only.yml
+++ b/.github/workflows/doc-site-build-only.yml
@@ -18,7 +18,7 @@ jobs:
           - { version: "18.13.0" }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/doc-site-publish.yml b/.github/workflows/doc-site-publish.yml
index c37d408..31e6274 100644
--- a/.github/workflows/doc-site-publish.yml
+++ b/.github/workflows/doc-site-publish.yml
@@ -17,7 +17,7 @@ jobs:
           - { version: "18.13.0" }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/manual-build.yml b/.github/workflows/manual-build.yml
index 49810c8..ebe715a 100644
--- a/.github/workflows/manual-build.yml
+++ b/.github/workflows/manual-build.yml
@@ -32,7 +32,7 @@ jobs:
           }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/manual-github-release.yml b/.github/workflows/manual-github-release.yml
index 91a133b..30de712 100644
--- a/.github/workflows/manual-github-release.yml
+++ b/.github/workflows/manual-github-release.yml
@@ -30,7 +30,7 @@ jobs:
           }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/manual-github-upload-artifacts-and-publish.yml b/.github/workflows/manual-github-upload-artifacts-and-publish.yml
index a2e41cc..a197b87 100644
--- a/.github/workflows/manual-github-upload-artifacts-and-publish.yml
+++ b/.github/workflows/manual-github-upload-artifacts-and-publish.yml
@@ -32,7 +32,7 @@ jobs:
           }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
diff --git a/.github/workflows/manual-maven-central-sync.yml b/.github/workflows/manual-maven-central-sync.yml
index 345a13e..85ce949 100644
--- a/.github/workflows/manual-maven-central-sync.yml
+++ b/.github/workflows/manual-maven-central-sync.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Sync to Maven Central
         env:
diff --git a/.github/workflows/manual-publish.yml b/.github/workflows/manual-publish.yml
index d13aba2..14f304d 100644
--- a/.github/workflows/manual-publish.yml
+++ b/.github/workflows/manual-publish.yml
@@ -32,7 +32,7 @@ jobs:
           }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - 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 9ecf459..76e41c6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,7 +27,7 @@ jobs:
           - { name: "Scala 3", version: "3.0.2",   binary-version: "3",    java-version: "11", java-distribution: "temurin", report: "" }
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.scala.java-version }}
@@ -73,7 +73,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ env.GH_JAVA_VERSION }}
@@ -109,7 +109,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-java@v3
@@ -159,7 +159,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-java@v3