diff --git a/pom.xml b/pom.xml
index a0c2b8c76..949a7aec2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.commons</groupId>
     <artifactId>commons-parent</artifactId>
-    <version>90</version>
+    <version>91</version>
   </parent>
 
   <artifactId>commons-geometry-parent</artifactId>