diff --git a/HISTORY.rst b/HISTORY.rst
index 7ecd64f..8f3b2cb 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -5,6 +5,13 @@ picows Release History
    :depth: 1
    :local:
 
+1.4.0 (2024-10-07)
+------------------
+
+* Added optional automatic ping-pong mechanism to detect broken connection
+* Added an option to WSTransport.disconnect to disconnect immediately without flushing send buffers
+* Re-structured documentation, added 'Topic guides' section
+
 1.3.0 (2024-10-01)
 ------------------
 
diff --git a/picows/__init__.py b/picows/__init__.py
index 7764bac..930ef46 100644
--- a/picows/__init__.py
+++ b/picows/__init__.py
@@ -25,5 +25,5 @@
     'PICOWS_DEBUG_LL'
 ]
 
-__version__ = "1.3.0"
+__version__ = "1.4.0"
 __author__ = "Taras Kozlov"