diff --git a/pom.xml b/pom.xml
index 2d35255..1fcc1ce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
         <plugin>
           <groupId>org.pitest</groupId>
           <artifactId>pitest-maven</artifactId>
-          <version>1.6.3</version>
+          <version>1.6.4</version>
         </plugin>
         <plugin>
           <groupId>org.sonarsource.scanner.maven</groupId>