diff --git a/Doxyfile b/Doxyfile
index 3b1816e..5b814c6 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -1389,7 +1389,7 @@ HIDE_UNDOC_RELATIONS   = YES
 # toolkit from AT&T and Lucent Bell Labs. The other options in this section
 # have no effect if this option is set to NO (the default)
 
-HAVE_DOT               = NO
+HAVE_DOT               = YES
 
 # By default doxygen will write a font called FreeSans.ttf to the output
 # directory and reference it in all dot files that doxygen generates. This