diff --git a/.travis.yml b/.travis.yml
index 301c258..56f0b6c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,8 @@ language:
   java
 jdk:
   - oraclejdk8
+before_install:
+  - chmod +x gradlew
 script:
   - gradle assemble
 before_deploy: