diff --git a/Project.toml b/Project.toml
index dbc8770..2c558cd 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,6 +13,9 @@ Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
+[compat]
+Zygote = "0.6"
+
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"