diff --git a/build.gradle b/build.gradle
index 7e28e37..f7f561f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -41,7 +41,7 @@ dependencies {
 
   testCompile 'junit:junit:4.12'
   testCompile 'org.mockito:mockito-all:1.9.5'
-  testCompile 'org.hamcrest:hamcrest-library:1.3'
+  testCompile 'org.hamcrest:hamcrest-library:2.2'
 }
 
 task wrapper(type: Wrapper) {