diff --git a/pom.xml b/pom.xml
index b48329b..a347b05 100644
--- a/pom.xml
+++ b/pom.xml
@@ -241,7 +241,7 @@
             <dependency>
                 <groupId>org.antlr</groupId>
                 <artifactId>antlr-runtime</artifactId>
-                <version>3.2</version>
+                <version>3.5.3</version>
             </dependency>
             
             <dependency>