diff --git a/graphics/rubygem-graphviz/Makefile b/graphics/rubygem-graphviz/Makefile
index 542c9cbc7f30..5fd26f3e52c9 100644
--- a/graphics/rubygem-graphviz/Makefile
+++ b/graphics/rubygem-graphviz/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	graphviz
-PORTVERSION=	0.9.17
+PORTVERSION=	0.9.18
 CATEGORIES=	graphics ruby rubygems
 MASTER_SITES=	RG
 DISTNAME=	ruby-${PORTNAME}-${PORTVERSION}
diff --git a/graphics/rubygem-graphviz/distinfo b/graphics/rubygem-graphviz/distinfo
index 29a4b999265a..e53569ad2143 100644
--- a/graphics/rubygem-graphviz/distinfo
+++ b/graphics/rubygem-graphviz/distinfo
@@ -1,3 +1,3 @@
-MD5 (rubygem/ruby-graphviz-0.9.17.gem) = 3d5e4cc46501bce6099b519597f53ac5
-SHA256 (rubygem/ruby-graphviz-0.9.17.gem) = 1bc83e7e14a23e52c05212e5c0e3ed71861b5921957bd14026b03b82dff962c3
-SIZE (rubygem/ruby-graphviz-0.9.17.gem) = 166912
+MD5 (rubygem/ruby-graphviz-0.9.18.gem) = 5cef6446a8760e214c9f810c6e18d00f
+SHA256 (rubygem/ruby-graphviz-0.9.18.gem) = 36b614ccc1051b4a057860bad44cef7161bdd9c9bc15f01e0f040565fd83ef35
+SIZE (rubygem/ruby-graphviz-0.9.18.gem) = 100352