diff --git a/lib/io/stream/version.rb b/lib/io/stream/version.rb
index dad6bd8..f15ba46 100644
--- a/lib/io/stream/version.rb
+++ b/lib/io/stream/version.rb
@@ -4,5 +4,5 @@
 # Copyright, 2023-2024, by Samuel Williams.
 
 module IO::Stream
-	VERSION = "0.3.0"
+	VERSION = "0.4.0"
 end