diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 553aacb..af77ed1 100644
--- a/.idea/caches/build_file_checksums.ser
+++ b/.idea/caches/build_file_checksums.ser
Binary files differ
diff --git a/app/build.gradle b/app/build.gradle
index 57d7231..8343374 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,7 +5,7 @@
     defaultConfig {
         applicationId "org.ntlab.radishforandroidstudio"
         minSdkVersion 16
-        targetSdkVersion 27
+        targetSdkVersion 22
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -19,7 +19,7 @@
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation 'com.android.support:appcompat-v7:27.1.1'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'