diff --git a/pom.xml b/pom.xml
index b961fc894a..b116241e28 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1265,7 +1265,7 @@
                 <plugin>
                     <groupId>org.pitest</groupId>
                     <artifactId>pitest-maven</artifactId>
-                    <version>1.9.8</version>
+                    <version>1.9.9</version>
                     <configuration>
                         <excludedClasses>
                             <excludedClass>*.AutoValue_*</excludedClass>