diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 402a90131..431be556d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
         scalaversion: ["2.11.12", "2.12.15", "2.13.6", "3.1.3"]
     steps:
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Scala
         uses: japgolly/setup-everything-scala@v3.1
@@ -34,7 +34,7 @@ jobs:
   readme:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: japgolly/setup-everything-scala@v3.1
       - name: Readme generation
         run: sbt readme/run
diff --git a/.github/workflows/ghpages.yml b/.github/workflows/ghpages.yml
index 89e70d6db..07fbed981 100644
--- a/.github/workflows/ghpages.yml
+++ b/.github/workflows/ghpages.yml
@@ -10,7 +10,7 @@ jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Scala
         uses: japgolly/setup-everything-scala@v3.1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3717059d9..4a6da22ec 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0