diff --git a/science/smoldyn/Makefile b/science/smoldyn/Makefile
index f78160a69737..94049c8e7936 100644
--- a/science/smoldyn/Makefile
+++ b/science/smoldyn/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	smoldyn
-DISTVERSION=	2.72
+DISTVERSION=	2.73
 CATEGORIES=	science
 MASTER_SITES=	https://www.smoldyn.org/
 
diff --git a/science/smoldyn/distinfo b/science/smoldyn/distinfo
index 8941494818a7..a54b5f380abc 100644
--- a/science/smoldyn/distinfo
+++ b/science/smoldyn/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1692431211
-SHA256 (smoldyn-2.72.tgz) = c381389b2cd5f5b56c392b8280a7f96c4f15e5d1a39c659bbdc54950ceb89d9d
-SIZE (smoldyn-2.72.tgz) = 34237869
+TIMESTAMP = 1710107839
+SHA256 (smoldyn-2.73.tgz) = 9c91604732df717646e292c435c6355a7590b871fd4d7060e1081f2432fbe267
+SIZE (smoldyn-2.73.tgz) = 35748041