diff --git a/Project.toml b/Project.toml
index 205af55f..d5b24d36 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Transducers"
 uuid = "28d57a85-8fef-5791-bfe6-a80928e7c999"
 authors = ["Takafumi Arakaki <aka.tkf@gmail.com>"]
-version = "0.4.80"
+version = "0.4.79"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"