diff --git a/tool/pom.xml b/tool/pom.xml
index 5d11e45528..88e9daedca 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -34,7 +34,7 @@
 		<dependency>
 			<groupId>org.antlr</groupId>
 			<artifactId>ST4</artifactId>
-			<version>4.3.3-SNAPSHOT</version>
+			<version>4.3.3</version>
 		</dependency>
 		<dependency>
 			<groupId>org.abego.treelayout</groupId>