diff -r 190ec5fae2af -r 449555c346d9 make/jdk/src/classes/build/tools/taglet/ModuleGraph.java
--- a/make/jdk/src/classes/build/tools/taglet/ModuleGraph.java	Mon Oct 21 14:26:10 2019 -0400
+++ b/make/jdk/src/classes/build/tools/taglet/ModuleGraph.java	Mon Oct 21 11:35:36 2019 -0700
@@ -64,7 +64,7 @@
         }
 
         String moduleName = ((ModuleElement) element).getQualifiedName().toString();
-        String imageFile = "module-graph.png";
+        String imageFile = "module-graph.svg";
         int thumbnailHeight = -1;
         String hoverImage = "";
         if (!moduleName.equals("java.base")) {