diff --git a/Project.toml b/Project.toml
index 44e8b6d3..b2cc9ec3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -98,7 +98,7 @@ JuMP = "1"
 Kriging = "1"
 LightXML = "0.9, 0.10, 1"
 LinearAlgebra = "1"
-LsqFit = "0.15"
+LsqFit = "0.15, 0.16, 1"
 MathOptInterface = "1"
 Markdown = "1"
 Mmap = "1"