diff --git a/math/plantri/Makefile b/math/plantri/Makefile
index b5fbcf4e695d..b96a87f5d0a8 100644
--- a/math/plantri/Makefile
+++ b/math/plantri/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	plantri
-DISTVERSION=	5.2
+DISTVERSION=	5.5
 CATEGORIES=	math
 MASTER_SITES=	http://users.cecs.anu.edu.au/~bdm/plantri/
 DISTNAME=	${PORTNAME}${DISTVERSION:S/.//}
diff --git a/math/plantri/distinfo b/math/plantri/distinfo
index 8c264eacf92f..6d287cd5b36c 100644
--- a/math/plantri/distinfo
+++ b/math/plantri/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1630721063
-SHA256 (plantri52.tar.gz) = 82bcb29f7aeb25eb9668aa6032ef27e35ea94125dc21d319f3664da06b5b8b12
-SIZE (plantri52.tar.gz) = 212765
+TIMESTAMP = 1737257295
+SHA256 (plantri55.tar.gz) = a79077bf2f0ad20f11c8a30ba92d3c36affee4dc1da49765029eb9f9f9f1092f
+SIZE (plantri55.tar.gz) = 221005