diff --git a/pom.xml b/pom.xml
index 80be13006..27a3736be 100644
--- a/pom.xml
+++ b/pom.xml
@@ -789,7 +789,7 @@
                     <plugin>
                         <groupId>org.codehaus.mojo</groupId>
                         <artifactId>exec-maven-plugin</artifactId>
-                        <version>3.6.3</version>
+                        <version>3.6.4</version>
                         <executions>
                             <execution>
                                 <id>update-test-harness-submodule</id>