diff --git a/ttool-cli/build.gradle b/ttool-cli/build.gradle
index d2153f8a278590899808752779d900a2179578ba..761ba17f79e2f0fb4b868ce7a2d991f3812fa94c 100644
--- a/ttool-cli/build.gradle
+++ b/ttool-cli/build.gradle
@@ -49,6 +49,8 @@ dependencies {
     compile name: 'jgrapht-io-1.3.0'
     compile name: 'jgraphx-3.4.1.3'
 
+    compile name: 'jfreechart-1.6.0'
+
     // Use JUnit test framework
     testCompile 'junit:junit:4.12'
     testCompile group: 'org.hamcrest', name: 'hamcrest-core', version: '1.3'