diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 48793e82..1e9bacd9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,14 +9,14 @@ jobs:
     name: JDK8 tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: olafurpg/setup-scala@v14
       - run: sbt test scripted
   jdk11:
     name: JDK11 tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: olafurpg/setup-scala@v14
         with:
           java-version: adopt@1.11
@@ -25,7 +25,7 @@ jobs:
     name: JDK17 tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: olafurpg/setup-scala@v14
         with:
           java-version: 17
@@ -34,7 +34,7 @@ jobs:
     name: Windows tests
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: olafurpg/setup-scala@v14
       - run: sbt ci-windows
         shell: bash
@@ -42,6 +42,6 @@ jobs:
     name: Scalafmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: olafurpg/setup-scala@v14
       - run: ./bin/scalafmt --test
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fbed7ab7..97d1304f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,7 +7,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: olafurpg/setup-scala@v14
       - uses: olafurpg/setup-gpg@v3
       - run: git fetch --unshallow