diff --git a/build.gradle b/build.gradle
index e74257c..ead0d07 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 /// Why doesn't this work on Travis under Java 7?
 /// The same text does in Randoop's build.gradle file.
 plugins {
-    id 'com.github.johnrengelman.shadow' version '7.1.0'
+    id 'com.github.johnrengelman.shadow' version '7.1.1'
 }
 
 apply plugin: 'java'