Bump Lottie to 1.5.2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95386f9..a33f357 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# 1.5.2
+#### Features and improvements
+* Significantly improved memory usage when using masks or mattes. No more bitmaps!
+#### Bugs Fixed
+* Further improved the compatibility of masks and mattes.
+
 # 1.5.1
 ##### Features and improvements
 * Use a thread pool executor for deserialization.
diff --git a/LottieSample/build.gradle b/LottieSample/build.gradle
index c588929..1017a9e 100644
--- a/LottieSample/build.gradle
+++ b/LottieSample/build.gradle
@@ -8,8 +8,8 @@
         applicationId "com.airbnb.lottie"
         minSdkVersion 16
         targetSdkVersion 25
-        versionCode 4
-        versionName "1.5.1"
+        versionCode 5
+        versionName "1.5.2"
         testInstrumentationRunner "com.airbnb.lottie.TestRunner"
     }
     buildTypes {
diff --git a/README.md b/README.md
index 74e90e7..5702592 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@
 
 ```groovy
 dependencies {  
-  compile 'com.airbnb.android:lottie:1.5.1'
+  compile 'com.airbnb.android:lottie:1.5.2'
 }
 ```
 
diff --git a/gradle.properties b/gradle.properties
index 7a20392..69354bc 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -17,7 +17,7 @@
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-VERSION_NAME=1.5.1
+VERSION_NAME=1.5.2
 GROUP=com.airbnb.android
 
 POM_DESCRIPTION=Lottie is an animation library that renders Adobe After Effects animations natively in realtime.