diff --git a/textproc/re-flex/Makefile b/textproc/re-flex/Makefile
index 7f2f20c490c9..19e222a9c8c1 100644
--- a/textproc/re-flex/Makefile
+++ b/textproc/re-flex/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	re-flex
-PORTVERSION=	1.6.0
+PORTVERSION=	1.6.4
 DISTVERSIONPREFIX=	v
 CATEGORIES=	textproc
 
diff --git a/textproc/re-flex/distinfo b/textproc/re-flex/distinfo
index ce42b72fa905..083ff13652b6 100644
--- a/textproc/re-flex/distinfo
+++ b/textproc/re-flex/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1583238700
-SHA256 (Genivia-RE-flex-v1.6.0_GH0.tar.gz) = 0310fb06f2e51517cd630d5a2d152dd5f6669a7109ff17b08e3627f222d661f0
-SIZE (Genivia-RE-flex-v1.6.0_GH0.tar.gz) = 5204403
+TIMESTAMP = 1584956333
+SHA256 (Genivia-RE-flex-v1.6.4_GH0.tar.gz) = 12373618e9e0e4081151a0d017a058a2a94f00cb31d414ee9f5b9e54847b99fa
+SIZE (Genivia-RE-flex-v1.6.4_GH0.tar.gz) = 5220490