diff --git a/Project.toml b/Project.toml
index 881784d..0fe7b7b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,6 +11,7 @@ LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
 NetworkLayout = "46757867-2c16-5918-afeb-47bfcb05e46a"
 
 [compat]
+LightGraphs = "1"
 julia = "1.6.2"
 
 [extras]