diff --git a/build.gradle b/build.gradle
index 5740673..4840932 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,6 +22,6 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'com.android.tools.build:gradle:3.2.0'
     }
 }
\ No newline at end of file
diff --git a/graphenej/build.gradle b/graphenej/build.gradle
index 56b1946..749b626 100644
--- a/graphenej/build.gradle
+++ b/graphenej/build.gradle
@@ -6,7 +6,7 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 24
-    buildToolsVersion '27.0.3'
+    buildToolsVersion '28.0.2'
 
     defaultConfig {
         minSdkVersion 14
diff --git a/graphenej/src/main/AndroidManifest.xml b/graphenej/src/main/AndroidManifest.xml
index 6a1e466..828c71a 100644
--- a/graphenej/src/main/AndroidManifest.xml
+++ b/graphenej/src/main/AndroidManifest.xml
@@ -2,7 +2,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="cy.agorise.graphenej">
 
-    <uses-sdk android:minSdkVersion="1" />
     <uses-permission android:name="android.permission.INTERNET" />
 
     <application>