diff --git a/.travis.yml b/.travis.yml
index 2113e3d7..93c41d30 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,7 @@
 language: java
+cache:
+  directories:
+  - $HOME/.m2
 jdk:
     - openjdk9
     - openjdk10