diff --git a/doc/release/0.1.21-notes.rst.txt b/doc/release/0.1.21-notes.rst.txt
new file mode 100644
index 0000000..1fb441c
--- /dev/null
+++ b/doc/release/0.1.21-notes.rst.txt
@@ -0,0 +1,30 @@
+=============================
+PyEDFlib 0.1.21 Release Notes
+=============================
+
+.. contents::
+
+- Include unit tests into python package
+- Add manylinux builds
+- Fix unit test für ARM
+
+Authors
+=======
+
+* Holger Nahrstaedt
+* skjerns
+
+Issues closed for v0.1.21
+-------------------------
+* Fix issue #99 - The pyedflib File Package does not support Chinese path
+* Fix issue #105 - Take hours/days to write signals into edf file using highlevel.write_edf?
+* Fix issue #109 - highlevel.read_edf fails with ValueError
+
+Pull requests for v0.1.21
+-------------------------
+* PR #100 - adding unicode read/write tests + workaround windows unicode files 
+* PR #103 - Verbose options default to False
+* PR #106 - add warnings for header length
+* PR #107 - Prevent fortran layout
+* PR #109 - Round sample rates up to 3 decimals not to int 
+* PR #116 - fixed wrong variable use in rename_channel function
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 3740447..e995fa6 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -59,7 +59,7 @@
 
 # General information about the project.
 project = u'pyEDFlib'
-copyright = u'2015 - 2020, Holger Nahrstaedt'
+copyright = u'2015 - 2021, Holger Nahrstaedt'
 author = u'Holger Nahrstaedt'
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/doc/source/release.0.1.21.rst.txt b/doc/source/release.0.1.21.rst.txt
new file mode 100644
index 0000000..99739a9
--- /dev/null
+++ b/doc/source/release.0.1.21.rst.txt
@@ -0,0 +1 @@
+.. include:: ../release/0.1.21-notes.rst
\ No newline at end of file
diff --git a/setup.py b/setup.py
index ff0fc9f..1a42830 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
 MAJOR = 0
 MINOR = 1
 MICRO = 21
-ISRELEASED = False
+ISRELEASED = True
 VERSION = '%d.%d.%d' % (MAJOR, MINOR, MICRO)
 
 # Version of Numpy required for setup