diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77e863a1..d865d28d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     continue-on-error: true
     steps:
     - name: Git Checkout
-      uses: actions/checkout@v3.3.0
+      uses: actions/checkout@v4.0.0
       with:
         fetch-depth: '0'
     - name: Setup Scala
@@ -43,7 +43,7 @@ jobs:
     continue-on-error: false
     steps:
     - name: Git Checkout
-      uses: actions/checkout@v3.3.0
+      uses: actions/checkout@v4.0.0
       with:
         fetch-depth: '0'
     - name: Setup Scala
@@ -81,7 +81,7 @@ jobs:
         java-version: ${{ matrix.java }}
         check-latest: true
     - name: Git Checkout
-      uses: actions/checkout@v3.3.0
+      uses: actions/checkout@v4.0.0
       with:
         fetch-depth: '0'
     - name: Test
@@ -108,7 +108,7 @@ jobs:
     if: ${{ github.event_name != 'pull_request' }}
     steps:
     - name: Git Checkout
-      uses: actions/checkout@v3.3.0
+      uses: actions/checkout@v4.0.0
       with:
         fetch-depth: '0'
     - name: Setup Scala
@@ -133,7 +133,7 @@ jobs:
     if: ${{ ((github.event_name == 'release') && (github.event.action == 'published')) || (github.event_name == 'workflow_dispatch') }}
     steps:
     - name: Git Checkout
-      uses: actions/checkout@v3.3.0
+      uses: actions/checkout@v4.0.0
       with:
         fetch-depth: '0'
     - name: Setup Scala
@@ -160,7 +160,7 @@ jobs:
     if: ${{ (github.event_name == 'push') || ((github.event_name == 'release') && (github.event.action == 'published')) }}
     steps:
     - name: Git Checkout
-      uses: actions/checkout@v3.3.0
+      uses: actions/checkout@v4.0.0
       with:
         ref: ${{ github.head_ref }}
         fetch-depth: '0'