diff --git a/.github/workflows/dependency-graph.yml b/.github/workflows/dependency-graph.yml
index 509c57db..c3cae956 100644
--- a/.github/workflows/dependency-graph.yml
+++ b/.github/workflows/dependency-graph.yml
@@ -12,7 +12,7 @@ jobs:
   style-check:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: coursier/cache-action@v6
       - uses: olafurpg/setup-scala@v14
         with:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 181cc41f..13bfbbbe 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,7 +14,7 @@ jobs:
   build-sbt:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: coursier/cache-action@v6
       - uses: olafurpg/setup-scala@v14
         with:
@@ -27,7 +27,7 @@ jobs:
   build-mill:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: coursier/cache-action@v6
       - uses: olafurpg/setup-scala@v14
         with:
@@ -41,7 +41,7 @@ jobs:
     needs: [build-sbt, build-mill]
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: coursier/cache-action@v6
@@ -61,7 +61,7 @@ jobs:
     needs: [build-sbt, build-mill]
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: coursier/cache-action@v6
@@ -88,7 +88,7 @@ jobs:
     needs: [publish-sbt, publish-mill]
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Extract version from commit message
diff --git a/.github/workflows/scala-steward.yml b/.github/workflows/scala-steward.yml
index b75b588a..f89d69e4 100644
--- a/.github/workflows/scala-steward.yml
+++ b/.github/workflows/scala-steward.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: coursier/cache-action@v6
       - uses: olafurpg/setup-scala@v14
         with:
diff --git a/.github/workflows/sourcegraph.yml b/.github/workflows/sourcegraph.yml
index a5580017..866b0c91 100644
--- a/.github/workflows/sourcegraph.yml
+++ b/.github/workflows/sourcegraph.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     name: "generate-scip"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: coursier/setup-action@v1
         with:
           jvm: "temurin:17"