diff --git a/lambda/pom.xml b/lambda/pom.xml
index 24d9a627..fcbad060 100644
--- a/lambda/pom.xml
+++ b/lambda/pom.xml
@@ -46,7 +46,7 @@
     <jacoco-maven-plugin.version>0.8.6</jacoco-maven-plugin.version>
     <junit-platform-maven-plugin.version>1.1.2</junit-platform-maven-plugin.version>
     <license-maven-plugin.version>3.0</license-maven-plugin.version>
-    <pitest-maven.version>1.6.3</pitest-maven.version>
+    <pitest-maven.version>1.6.4</pitest-maven.version>
     <pitest-junit5-plugin.version>0.12</pitest-junit5-plugin.version>
   </properties>