diff --git a/Project.toml b/Project.toml
index 88281ef..c7b282b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "DensityInterface"
 uuid = "b429d917-457f-4dbc-8f4c-0cc954292b1d"
-version = "0.4.0"
+version = "1.0.0"
 
 [deps]
 InverseFunctions = "3587e190-3f89-42d0-90ee-14403ec27112"