diff --git a/.gitignore b/.gitignore
index 93b3370..ae45563 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+
 .gradle
 /local.properties
 /.idea/workspace.xml
@@ -5,7 +6,6 @@
 .DS_Store
 /build
 /captures
-
 *.iml
 *.apk
 *.dex
@@ -17,7 +17,6 @@
 bin/
 gen/
 .gradle/
-gradle/wrapper/
 .idea/
 .navigation/
 captures/
diff --git a/app/build.gradle b/app/build.gradle
index 0120a75..55eb2ab 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,5 +21,6 @@ android {
 
 dependencies {
     compile project(":shadowlibrary")
+    compile 'com.android.support:support-v4:23.4.0'
     compile 'com.android.support:appcompat-v7:23.4.0'
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..13372ae
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..c2e62e7
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Sun May 28 12:13:08 IDT 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/shadowlibrary/build.gradle b/shadowlibrary/build.gradle
index a1483ee..02aea20 100644
--- a/shadowlibrary/build.gradle
+++ b/shadowlibrary/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.0"
+    compileSdkVersion 23
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         minSdkVersion 15
-        targetSdkVersion 25
+        targetSdkVersion 23
         versionCode 2
         versionName "2.0"
     }
@@ -19,5 +19,6 @@ android {
 }
 
 dependencies {
-    compile 'com.android.support:appcompat-v7:25.0.0'
+    compile 'com.android.support:appcompat-v7:23.4.0'
+    compile 'com.android.support:support-v4:23.4.0'
 }