diff --git a/pom.xml b/pom.xml
index facaee8..d5b35de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
 
         <exist.version>5.1.1</exist.version>
 
-        <commons-text.version>1.8</commons-text.version>
+        <commons-text.version>1.9</commons-text.version>
 
         <!-- used in the EXPath Package Descriptor -->
         <package-name>https://exist-db.org/extensions/strings</package-name>