diff --git a/Project.toml b/Project.toml
index 856b626..0ee7353 100644
--- a/Project.toml
+++ b/Project.toml
@@ -24,6 +24,7 @@ Trapz = "592b5752-818d-11e9-1e9a-2b8ca4a44cd1"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
+Trapz = "2"
 julia = "1."
 
 [extras]