diff --git a/pom.xml b/pom.xml
index ccee1e38..58c41aba 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1395,7 +1395,7 @@
                 <plugin>
                     <groupId>org.pitest</groupId>
                     <artifactId>pitest-maven</artifactId>
-                    <version>1.15.3</version>
+                    <version>1.15.6</version>
                     <configuration>
                         <excludedClasses>
                             <!-- AutoValue generated classes. -->