diff --git a/CHANGELOG b/CHANGELOG
index 7741941..a746923 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+0.4
+
+	* Switched to curry-on-demand strategy for partial function applications. This
+	improves performance considerably.
+
 0.3
 
 	* Improved performance and compatibility. Cleanup some dead code. Fixes
diff --git a/init.scm b/init.scm
index daa6355..91ca6ea 100644
--- a/init.scm
+++ b/init.scm
@@ -1,6 +1,6 @@
 (set ($$quote *language*) "Scheme")
 (set ($$quote *implementation*) "chibi-scheme")
-(set ($$quote *port*) "0.3")
+(set ($$quote *port*) "0.4")
 (set ($$quote *porters*) "Bruno Deferrari")
 (set ($$quote *stinput*) ($$current-input-port))
 (set ($$quote *stoutput*) ($$current-output-port))