diff --git a/extensions/guacamole-auth-ldap/pom.xml b/extensions/guacamole-auth-ldap/pom.xml
index e548d19c0..af3451fc8 100644
--- a/extensions/guacamole-auth-ldap/pom.xml
+++ b/extensions/guacamole-auth-ldap/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-ext</artifactId>
-            <version>1.4.0</version>
+            <version>1.5.5</version>
             <scope>provided</scope>
         </dependency>