diff --git a/Cargo.toml b/Cargo.toml
index c588f69..aa6dfc4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "diflouroborane"
-version = "0.3.1"
+version = "0.2.1"
 authors = [ "dequbed <me@dequbed.space>"
           , "Kai Jan Kriegel <kai@kjkriegel.de>"
           , "Joseph Langosch <thejoklla@gmail.com>"