diff --git a/app/build.gradle b/app/build.gradle
index 5db114c89501d8efca299e1add672d23284becd8..28c492a4ffff026ebb76468e1f8a4c1fd03b1e06 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -33,5 +33,4 @@ dependencies {
     compile project(':avatarview')
 
     compile "com.android.support:appcompat-v7:$rootProject.ext.supportLibraryVersion"
-    compile 'com.android.support.constraint:constraint-layout:1.0.0-beta4'
 }
diff --git a/avatarview/bintray.gradle b/avatarview/bintray.gradle
index a5bfa52759f9c686bc23d6ab1e6fb2c63c26d176..8cc50f4f3d84d44bb62d294c89bb045a293e5568 100644
--- a/avatarview/bintray.gradle
+++ b/avatarview/bintray.gradle
@@ -62,9 +62,6 @@ bintray {
         publicDownloadNumbers = true
         version {
             desc = libraryDescription
-            gpg {
-                sign = false
-            }
         }
     }
 }
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 7ec76075937ccdf527f89a64cab451a8aa670821..28f6bfc07b3442ab541bc02eac39b9c230c2ca69 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,6 +18,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        maven { url 'https://jitpack.io' }
     }
 }