diff --git a/.github/workflows/main-ci.yml b/.github/workflows/main-ci.yml
index fd6491f..6374f21 100644
--- a/.github/workflows/main-ci.yml
+++ b/.github/workflows/main-ci.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -48,7 +48,7 @@ jobs:
       NODE_OPTIONS: --max-old-space-size=4096
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -91,7 +91,7 @@ jobs:
         working-directory: codex-rs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@1.89
@@ -115,7 +115,7 @@ jobs:
         working-directory: codex-rs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@1.89
@@ -152,7 +152,7 @@ jobs:
     needs: [nodejs-checks, rust-build-test]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3