diff --git a/doc/Doxyfile b/doc/Doxyfile
index 6552ba9..d04cc2e 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -2238,7 +2238,7 @@ HIDE_UNDOC_RELATIONS   = YES
 # set to NO
 # The default value is: NO.
 
-HAVE_DOT               = NO
+HAVE_DOT               = YES
 
 # The DOT_NUM_THREADS specifies the number of dot invocations doxygen is allowed
 # to run in parallel. When set to 0 doxygen will base this on the number of