diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 72047e8..ba53c78 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/app/build.gradle b/app/build.gradle
index bf27d66..4a6d11b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -26,11 +26,11 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:appcompat-v7:27.0.2'
-    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
     //implementation 'com.github.JueShouGitHub:ZRxJavaUtil:v1.0.6'
     implementation project(':zlibrary')
 }
diff --git a/zlibrary/build.gradle b/zlibrary/build.gradle
index b222096..289e81f 100644
--- a/zlibrary/build.gradle
+++ b/zlibrary/build.gradle
@@ -25,10 +25,10 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:appcompat-v7:27.0.2'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 
     api 'com.squareup.retrofit2:retrofit:2.3.0'
     api 'com.squareup.retrofit2:converter-gson:2.3.0'