diff --git a/.circleci/config.yml b/.circleci/config.yml
index 79aa92e..7ef994f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,7 +11,7 @@ jobs:
       - checkout
       - run: git submodule update --init --recursive
       - restore_cache:
-          key: jars-{{ checksum "build.gradle" }}
+          key: jars-{{ checksum "build.gradle.kts" }}
       - restore_cache:
           key: go-{{ checksum "app/src/main/go/v2ray-plugin/go.sum" }}
       - run:
@@ -25,7 +25,7 @@ jobs:
           paths:
             - ~/.gradle
             - ~/.android/build-cache
-          key: jars-{{ checksum "build.gradle" }}
+          key: jars-{{ checksum "build.gradle.kts" }}
       - store_artifacts:
           path: app/build/outputs/apk
           destination: apk