diff --git a/cmake/Doxyfile.in b/cmake/Doxyfile.in
index c64d1722a758731747ce92a2aa0f4848430de689..985e679c44008c7413ef0116aff8c5fbae0d190f 100644
--- a/cmake/Doxyfile.in
+++ b/cmake/Doxyfile.in
@@ -2418,7 +2418,7 @@ PLANTUML_INCLUDE_PATH  =
 # Minimum value: 0, maximum value: 10000, default value: 50.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-DOT_GRAPH_MAX_NODES    = 50
+DOT_GRAPH_MAX_NODES    = 80
 
 # The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the graphs
 # generated by dot. A depth value of 3 means that only nodes reachable from the