diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 86878157..1d9838ba 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 All changes to this project will be documented in this file.
 
+## [9.4.1] - 2020-04-25
+
+(header) Add a space between header name and header value since most http parsers expects it, although it it not required. Cf #184 and #155
+
 ## [9.4.0] - 2020-04-24
 
 (ssl) Add support for supplying SSL CA from memory, for OpenSSL and MbedTLS backends
diff --git a/ixwebsocket/IXWebSocketVersion.h b/ixwebsocket/IXWebSocketVersion.h
index 8c4ac92f..66a59960 100644
--- a/ixwebsocket/IXWebSocketVersion.h
+++ b/ixwebsocket/IXWebSocketVersion.h
@@ -6,4 +6,4 @@
 
 #pragma once
 
-#define IX_WEBSOCKET_VERSION "9.4.0"
+#define IX_WEBSOCKET_VERSION "9.4.1"