diff --git a/mac/gramps.modules b/mac/gramps.modules
index e4702c0b9..546cc9c97 100644
--- a/mac/gramps.modules
+++ b/mac/gramps.modules
@@ -120,8 +120,8 @@ gtk-mac-bundler gtk-osx-build/projects/gramps/gramps.bundle
   </autotools>
 
   <autotools id="graphviz" autogen-sh="configure"
-	     autogenargs="--disable-sharp --disable-guile --disable-java --disable-lua --disable-ocaml --disable-perl --disable-php --disable-r --disable-ruby --disable-tcl --with-pangocairo --with-included-ltdl=yes">
-    <branch module="graphviz-2.28.0.tar.gz" version="2.28.0" repo="graphviz"/>
+	     autogenargs="--disable-sharp --disable-guile --disable-java --disable-lua --disable-ocaml --disable-perl --disable-php --disable-r --disable-ruby --disable-tcl --with-pangocairo">
+    <branch module="graphviz-2.38.0.tar.gz" version="2.38.0" repo="graphviz"/>
     <dependencies>
       <dep package="pango"/>
       <dep package="meta-gtk-osx-freetype"/>