diff --git a/devel/py-antlr4-python3-runtime/Makefile b/devel/py-antlr4-python3-runtime/Makefile
index 8db454bb0d1d..c12eb74658e1 100644
--- a/devel/py-antlr4-python3-runtime/Makefile
+++ b/devel/py-antlr4-python3-runtime/Makefile
@@ -1,17 +1,17 @@
 PORTNAME=	antlr4-python3-runtime
-PORTVERSION=	4.10
+PORTVERSION=	4.9
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	antoine@FreeBSD.org
 COMMENT=	ANother Tool for Language Recognition (python3 runtime)
 
 LICENSE=	BSD3CLAUSE
 
 USES=		python:3.5+
-USE_PYTHON=	distutils autoplist concurrent
+USE_PYTHON=	distutils autoplist
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-antlr4-python3-runtime/distinfo b/devel/py-antlr4-python3-runtime/distinfo
index 70871db77e44..449c4779dc72 100644
--- a/devel/py-antlr4-python3-runtime/distinfo
+++ b/devel/py-antlr4-python3-runtime/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1660723636
-SHA256 (antlr4-python3-runtime-4.10.tar.gz) = 061a49bc72ae05a35d9b61c0ba0ac36c0397708819f02fbfb20a80e47d287a1b
-SIZE (antlr4-python3-runtime-4.10.tar.gz) = 116625
+TIMESTAMP = 1606389264
+SHA256 (antlr4-python3-runtime-4.9.tar.gz) = 02d9afb720c13c52b336234286966cdf5aff704f230a513e635adb0d94de97ae
+SIZE (antlr4-python3-runtime-4.9.tar.gz) = 114184