diff --git a/Project.toml b/Project.toml
index a9073bd..a2376c8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "Kriging"
 uuid = "6133562b-a8e8-5ea3-954b-37642b766dad"
-version = "0.4.0"
+version = "0.5.0"
 
 [deps]
 DocumentFunction = "e1f3b4f0-2dc4-57d3-83f7-d4b7faf3b05b"
@@ -8,7 +8,9 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 NearestNeighbors = "b8a86587-4115-5ab1-83bc-aa920d37bbce"
 
 [compat]
-julia = "≥ 1.1.0"
+DocumentFunction = "^0"
+NearestNeighbors = "^0"
+julia = "^1"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"