diff --git a/.github/workflows/android_cd.yml b/.github/workflows/android_cd.yml
index 427d6711..da7c5268 100644
--- a/.github/workflows/android_cd.yml
+++ b/.github/workflows/android_cd.yml
@@ -8,7 +8,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with:
           ref: master
 
diff --git a/.github/workflows/android_ci.yml b/.github/workflows/android_ci.yml
index 0b8a5a6e..403c4cb1 100644
--- a/.github/workflows/android_ci.yml
+++ b/.github/workflows/android_ci.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with:
           fetch-depth: 0