diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0fec20a5..c33b2fb7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+1.3.3 (2020-01-??)
+------------------
+
+**Fixed**
+- Code cells in the Markdown format can contain triple backticks inside multiline strings (#419) 
+
 1.3.2 (2020-01-08)
 ------------------
 
diff --git a/jupytext/version.py b/jupytext/version.py
index 23792cbd6..224510c30 100644
--- a/jupytext/version.py
+++ b/jupytext/version.py
@@ -1,3 +1,3 @@
 """Jupytext's version number"""
 
-__version__ = '1.3.2'
+__version__ = '1.3.3-dev'