Bump Lottie to 1.5.1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 51f64c1..95386f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+# 1.5.1
+##### Features and improvements
+* Use a thread pool executor for deserialization.
+* Allow setting a default cache strategy
+* Drop repeated calls to setComposition with the same composition.
+##### Bugs Fixed
+* Fixed an image scaling issue.
+* Fixed a crash when leaving a screen with an image animation.
+* Fixed a crash when the json has no assets.
+
 # 1.5.0
 * Precomps.
 * 60% performance and memory improvement for masks and mattes.
diff --git a/LottieSample/build.gradle b/LottieSample/build.gradle
index 4d57dd8..b2cead2 100644
--- a/LottieSample/build.gradle
+++ b/LottieSample/build.gradle
@@ -8,8 +8,8 @@
         applicationId "com.airbnb.lottie"
         minSdkVersion 16
         targetSdkVersion 25
-        versionCode 3
-        versionName "1.5.0"
+        versionCode 4
+        versionName "1.5.1"
         testInstrumentationRunner "com.airbnb.lottie.TestRunner"
     }
     buildTypes {
diff --git a/README.md b/README.md
index a020123..f25aff1 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@
 
 ```groovy
 dependencies {  
-  compile 'com.airbnb.android:lottie:1.5.0'
+  compile 'com.airbnb.android:lottie:1.5.1'
 }
 ```
 
diff --git a/gradle.properties b/gradle.properties
index 9bfa400..7a20392 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=1.5.0
+VERSION_NAME=1.5.1
 GROUP=com.airbnb.android
 
 POM_DESCRIPTION=Lottie is an animation library that renders Adobe After Effects animations natively in realtime.