diff --git a/biology/mummer/Makefile b/biology/mummer/Makefile
index 497737e86293..fa6324fb7a07 100644
--- a/biology/mummer/Makefile
+++ b/biology/mummer/Makefile
@@ -7,7 +7,7 @@
 #
 
 PORTNAME=	mummer
-PORTVERSION=	3.22
+PORTVERSION=	3.23
 CATEGORIES=	biology
 MASTER_SITES=	SF
 DISTNAME=	MUMmer${PORTVERSION}
diff --git a/biology/mummer/distinfo b/biology/mummer/distinfo
index 75be9d49f481..01b7da161860 100644
--- a/biology/mummer/distinfo
+++ b/biology/mummer/distinfo
@@ -1,2 +1,2 @@
-SHA256 (MUMmer3.22.tar.gz) = 429022a8c6a7ae55fb1dd94dbdac1b21f662d6278668f5531c735911d9fc77da
-SIZE (MUMmer3.22.tar.gz) = 3156338
+SHA256 (MUMmer3.23.tar.gz) = 1efad4f7d8cee0d8eaebb320a2d63745bb3a160bb513a15ef7af46f330af662f
+SIZE (MUMmer3.23.tar.gz) = 3160143