diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b9596db..2d4db51 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
 
       - name: Set up Python 3.12
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 6865ace..c75cad5 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/publish-testpypi.yml b/.github/workflows/publish-testpypi.yml
index c5d00d6..69d364f 100644
--- a/.github/workflows/publish-testpypi.yml
+++ b/.github/workflows/publish-testpypi.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Check out release commit
-        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
 
       - name: Set up Python 3.12
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065