diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 7260b40..37efb7e 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
 
     - name: Docker meta
       uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5
diff --git a/.github/workflows/renovate_config_validator.yml b/.github/workflows/renovate_config_validator.yml
index 541571b..93c572d 100644
--- a/.github/workflows/renovate_config_validator.yml
+++ b/.github/workflows/renovate_config_validator.yml
@@ -14,6 +14,6 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
       - name: Validate the config
         uses: suzuki-shunsuke/github-action-renovate-config-validator@b7cd2b598bb51d071a2474e98f55cc25f91abec1 # v0.1.3