diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e89277..acbdb61 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Install uv
       uses: astral-sh/setup-uv@v3
@@ -50,7 +50,7 @@ jobs:
   security:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Install uv
       uses: astral-sh/setup-uv@v3
@@ -72,7 +72,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Install uv
       uses: astral-sh/setup-uv@v3