diff --git a/app/build.gradle b/app/build.gradle
index 18745ca47..811639e02 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,6 +21,7 @@ dependencies {
     }
     compile 'com.facebook.fresco:fresco:1.3.0'
     compile 'com.facebook.stetho:stetho:1.5.0'
+    compile "com.google.guava:guava:${GUAVA_VERSION}"
 
     testCompile 'junit:junit:4.12'
     androidTestCompile "com.android.support:support-annotations:${project.supportLibVersion}"
diff --git a/gradle.properties b/gradle.properties
index ccb036712..e1a4da9b6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,4 +13,5 @@ android.useDeprecatedNdk=true
 
 # Library dependencies
 BUTTERKNIFE_VERSION=8.4.0
+GUAVA_VERSION=19.0