diff --git a/pom.xml b/pom.xml
index 3470ac3..e0a7a20 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
       <plugin>
         <groupId>org.antlr</groupId>
         <artifactId>antlr3-maven-plugin</artifactId>
-        <version>3.4</version>
+        <version>3.5</version>
         <executions>
           <execution>
             <goals>