diff --git a/Makefile b/Makefile
index edc4411..32a318b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ROOT_DIR:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
-ANTLR_VERSION=9
+ANTLR_VERSION=13.1
 
 all : download_antlr_jar antlr
 
diff --git a/build.sbt b/build.sbt
index 8a03ebd..0df643a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -54,7 +54,7 @@ lazy val dependencies = {
   val jacksonDatabindVersion = "2.13.2.2"
   val jacksonDataformatYamlVersion = "2.13.2"
   val rhinoVersion = "1.7.13"
-  val antlr4Version = "4.9.3"
+  val antlr4Version = "4.13.1"
   //val junitVersion = "4.13.2"
 
   val dxCommon = "com.dnanexus" % "dxcommon" % dxCommonVersion