diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a4b8080..75563e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,7 +48,7 @@ jobs:
           - '1.10' # current LTS
           - '1'    # automatically expands to the latest stable 1.x release of Julia
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         persist-credentials: false
     - uses: julia-actions/setup-julia@v2
@@ -81,7 +81,7 @@ jobs:
           - '1.10.7' # current LTS
           - '1.11.2' # currently the latest stable release
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         persist-credentials: false
     - name: Print Docker version
@@ -132,7 +132,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         persist-credentials: false
     - name: Print Docker version