diff --git a/Cargo.toml b/Cargo.toml
index 664fa6f97eff4e4e0e8d850e8c35064d1d7f5a81..194d58055289d3156b859192325eb3ae62c32698 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ homepage = "https://lib.rs/crates/lcms2"
 documentation = "https://kornelski.github.io/rust-lcms2/lcms2/"
 repository = "https://github.com/kornelski/rust-lcms2.git"
 categories = ["multimedia::images", "api-bindings"]
-version = "5.1.6"
+version = "5.2.0-alpha"
 edition = "2018"
 
 [dependencies]