diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4ceaddd..1c53dd9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0   # required by gitleaks history scan
 
@@ -93,7 +93,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # Detect whether the backend has been scaffolded yet
       - name: Check backend exists
@@ -187,7 +187,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # Detect whether the frontend has been scaffolded yet
       - name: Check frontend exists
@@ -250,7 +250,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # Detect whether the tracker has been scaffolded yet
       - name: Check tracker exists