diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6f86da..0d61360 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
 
     steps:
-      - uses: "actions/checkout@v3.3.0"
+      - uses: "actions/checkout@v3.5.0"
 
       - id: "python_and_poetry"
         uses: "./.github/actions/install_python_and_poetry"
@@ -59,7 +59,7 @@ jobs:
     runs-on: "ubuntu-latest"
 
     steps:
-      - uses: "actions/checkout@v3.3.0"
+      - uses: "actions/checkout@v3.5.0"
 
       - id: "python_and_poetry"
         uses: "./.github/actions/install_python_and_poetry"