diff --git a/.gitignore b/.gitignore
index 339582d..65beb56 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,5 @@ tests/*.xml
 tests/*.txt
 .idea/
 .tox/
+Pipfile
+Pipfile.lock
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fac8547..03f27e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+Nothing
+
+## [20200121] - 2020-01-21
+
 ### Fixed
 - Interpret two's complement integer as unsigned integer ([#352](https://github.com/pdfminer/pdfminer.six/pull/352))
 - Fix font name in html output such that it is recognized by browser ([#357](https://github.com/pdfminer/pdfminer.six/pull/357))
diff --git a/pdfminer/__init__.py b/pdfminer/__init__.py
index 1ce5908..9353597 100644
--- a/pdfminer/__init__.py
+++ b/pdfminer/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '20200104'
+__version__ = '20200121'
 
 if __name__ == '__main__':
     print(__version__)