diff --git a/action.yml b/action.yml
index a23ff6afe..3224ee534 100644
--- a/action.yml
+++ b/action.yml
@@ -152,7 +152,7 @@ runs:
       shell: bash
       run: |
         cd ${GITHUB_ACTION_PATH}
-        bun install
+        bun install --frozen-lockfile
 
     - name: Prepare action
       id: prepare
@@ -189,7 +189,7 @@ runs:
       run: |
         echo "Installing base-action dependencies..."
         cd ${GITHUB_ACTION_PATH}/base-action
-        bun install
+        bun install --frozen-lockfile
         echo "Base-action dependencies installed"
         cd -
 
diff --git a/base-action/action.yml b/base-action/action.yml
index 5a392e2d9..a7d4085e4 100644
--- a/base-action/action.yml
+++ b/base-action/action.yml
@@ -113,7 +113,7 @@ runs:
       shell: bash
       run: |
         cd ${GITHUB_ACTION_PATH}
-        bun install
+        bun install --frozen-lockfile
 
     - name: Install Claude Code
       shell: bash