diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 41466b9..e76c67c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4.1.5
+      - uses: actions/checkout@v4.1.6
       - name: Set up Python
         uses: actions/setup-python@v5.1.0
         with:
@@ -68,7 +68,7 @@ jobs:
           - 5672:5672
 
     steps:
-      - uses: actions/checkout@v4.1.5
+      - uses: actions/checkout@v4.1.6
 
       - name: Setup conda
         uses: s-weigand/setup-conda@v1.2.2
@@ -126,7 +126,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4.1.5
+        uses: actions/checkout@v4.1.6
       - name: Set up Python 3.8
         uses: actions/setup-python@v5.1.0
         with: