diff --git a/.github/workflows/default.yml b/.github/workflows/default.yml
index dc5150a4..2d57c008 100644
--- a/.github/workflows/default.yml
+++ b/.github/workflows/default.yml
@@ -11,7 +11,7 @@ jobs:
     name: Check Gradle version
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: madhead/check-gradle-version@v1
     continue-on-error: true
 
@@ -19,7 +19,7 @@ jobs:
     name: Build policies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
@@ -40,7 +40,7 @@ jobs:
     name: Unit test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
@@ -80,7 +80,7 @@ jobs:
           POSTGRES_DB: ${{env.POSTGRES_DB}}
           POSTGRES_HOST_AUTH_METHOD: trust
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
@@ -115,7 +115,7 @@ jobs:
     needs:
       - build-policies
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version-file: 'mini-app/.nvmrc'
diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 16d7bb0d..bf2dabfa 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -11,7 +11,7 @@ jobs:
     name: Build policies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
@@ -34,7 +34,7 @@ jobs:
     needs:
       - build-policies
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version-file: 'mini-app/.nvmrc'
@@ -58,7 +58,7 @@ jobs:
     name: Build backend
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
@@ -85,7 +85,7 @@ jobs:
       name: fly.io
       url: https://tyzenhaus.fly.dev
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: madhead/read-java-properties@latest
         id: project-version
         with: