diff --git a/Project.toml b/Project.toml
index 85c1c5b22..3199331cb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,6 +25,7 @@ FileIO = "5789e2e9-d7fb-5bc7-8068-2c6fae9b9549"
 FixedPointNumbers = "53c48c17-4a7d-5ca2-90c5-79b7896eea93"
 GeometricalPredicates = "fd0ad045-b25c-564e-8f9c-8ef5c5f21267"
 GeometryBasics = "5c1252a2-5f33-56bf-86c9-59e7332b4326"
+Graphs = "86223c79-3864-5bf0-83f7-82e725a168b6"
 ImageCore = "a09fc81d-aa75-5fe9-8630-4744c3626534"
 ImageDraw = "4381153b-2b60-58ae-a1ba-fd683676385f"
 IncrementalInference = "904591bb-b899-562f-9e6f-b8df64c7d480"