diff --git a/Project.toml b/Project.toml
index 67b7aac..064eb40 100644
--- a/Project.toml
+++ b/Project.toml
@@ -22,6 +22,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Trapz = "592b5752-818d-11e9-1e9a-2b8ca4a44cd1"
 
 [compat]
+LineSearches = "7"
 julia = "1"
 
 [extras]