diff --git a/build.gradle b/build.gradle
index a4a298be..28bb8984 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,4 +13,5 @@ dependencies {
     compile('com.sparkjava:spark-template-handlebars:2.5.5')
     compile('ch.qos.logback:logback-classic:1.2.3')
     testCompile('junit:junit:4.12')
+    testCompile('org.assertj:assertj-core:3.9.0')
 }
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index ccb669ac..67ab7f86 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,6 +39,11 @@
 			<version>4.12</version>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.assertj</groupId>
+			<artifactId>assertj-core</artifactId>
+			<version>3.9.0</version>
+		</dependency>
 	</dependencies>
 	<build>
 		<plugins>