diff --git a/HISTORY.rst b/HISTORY.rst
index 5d01ce6d1..8f73b1f2c 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,7 +3,7 @@
 Release History
 ---------------
 
-1.2.4 (2019-09-??)
+1.2.4 (2019-09-19)
 ++++++++++++++++++++++
 
 **Improvements**
@@ -18,6 +18,7 @@ Release History
 - Fixed ``--set-kernel`` when using pipes (#326)
 - Fixed utf-8 encoding on stdout on Python 2 (#331)
 
+
 1.2.3 (2019-09-02)
 ++++++++++++++++++++++
 
diff --git a/jupytext/version.py b/jupytext/version.py
index 0cb2020bc..87de3895c 100644
--- a/jupytext/version.py
+++ b/jupytext/version.py
@@ -1,3 +1,3 @@
 """Jupytext's version number"""
 
-__version__ = '1.2.4-dev'
+__version__ = '1.2.4'