diff --git a/libraries/tools/idl2k/pom.xml b/libraries/tools/idl2k/pom.xml
index 75a7143bb8e..ca830cf837f 100644
--- a/libraries/tools/idl2k/pom.xml
+++ b/libraries/tools/idl2k/pom.xml
@@ -17,7 +17,7 @@
 
     <properties>
         <kotlin.version>${project.version}</kotlin.version>
-        <antlr.version>4.5</antlr.version>
+        <antlr.version>4.5.3</antlr.version>
     </properties>
 
     <dependencies>