diff --git a/.gradle/3.5/taskHistory/taskHistory.lock b/.gradle/3.5/taskHistory/taskHistory.lock
index eaea3a6..f85dcfc 100644
Binary files a/.gradle/3.5/taskHistory/taskHistory.lock and b/.gradle/3.5/taskHistory/taskHistory.lock differ
diff --git a/library/build.gradle b/library/build.gradle
index f88cedf..e78f8f3 100755
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -5,8 +5,8 @@ android {
     buildToolsVersion '25.0.0'
 
     defaultConfig {
-        minSdkVersion 19
-        targetSdkVersion 19
+        minSdkVersion 17
+        targetSdkVersion 17
         versionCode 1
         versionName "1.0"
     }