diff --git a/Project.toml b/Project.toml
index 3243f5c..4abd920 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,9 +14,10 @@ ZXCalculus = "3525faa3-032d-4235-a8d4-8c2939a218dd"
 
 [compat]
 Compose = "0.9"
-YaoPlots = "0.6"
-PlanarMaps = "0.1"
+Multigraphs = "0.2"
 NetworkLayout = "0.4"
+PlanarMaps = "0.1"
+YaoPlots = "0.6"
 julia = "1.6"
 
 [extras]