diff --git a/.github/workflows/push_gem.yml b/.github/workflows/push_gem.yml
index 4f09f6e0..6745490c 100644
--- a/.github/workflows/push_gem.yml
+++ b/.github/workflows/push_gem.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - name: Set up Ruby
         uses: ruby/setup-ruby@cacc9f1c0b3f4eb8a16a6bb0ed10897b43b9de49 # v1.176.0
         with:
diff --git a/.github/workflows/stable.yml b/.github/workflows/stable.yml
index b3562f32..48c5b077 100644
--- a/.github/workflows/stable.yml
+++ b/.github/workflows/stable.yml
@@ -26,7 +26,7 @@ jobs:
           - truffleruby
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - run: rm Gemfile.lock
 
diff --git a/.github/workflows/unstable.yml b/.github/workflows/unstable.yml
index 43d4abb1..fb358bcd 100644
--- a/.github/workflows/unstable.yml
+++ b/.github/workflows/unstable.yml
@@ -20,7 +20,7 @@ jobs:
           - truffleruby-head
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: ruby/setup-ruby@v1
         with: