diff --git a/build.gradle b/build.gradle
index 26c7685..bb98385 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id "org.sonarqube" version "3.2.0"
-    id 'info.solidsoft.pitest' version '1.6.0'
+    id 'info.solidsoft.pitest' version '1.9.11'
 }