diff --git a/config/sphinx-build/conf.py b/config/sphinx-build/conf.py
index 61670e88..ed2ccf68 100644
--- a/config/sphinx-build/conf.py
+++ b/config/sphinx-build/conf.py
@@ -50,7 +50,7 @@ copyright = u'2021, Percona LLC and/or its affiliates'
 # The short X.Y version.
 version = '3.3'
 # The full version, including alpha/beta/rc tags.
-release = '3.3.0'
+release = '3.3.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/release_notes.rst b/docs/release_notes.rst
index 76cf782b..0b239729 100644
--- a/docs/release_notes.rst
+++ b/docs/release_notes.rst
@@ -1,6 +1,20 @@
 Percona Toolkit
 ***************
 
+v3.3.1 released 2021-04-28
+==========================
+
+Bugs Fixed
+----------
+
+* :jirabug:`PT-1943`: BEFORE triggers are dropped after pt-online-schema-change run
+* :jirabug:`PT-716`: LP #1641635: pt-summary reports wrong memory size
+* :jirabug:`PT-1919`: drop_swap can drop triggers (Thanks to bob for reporting this issue)
+* :jirabug:`PT-1914`: Column data lost when 'Generated' is in the column comment (Thanks to Kevin Wouters for reporting this issue)
+
+
+
+
 v3.3.0 released 2021-01-14
 ==========================
 
diff --git a/docs/rn.3-3-1.txt b/docs/rn.3-3-1.txt
new file mode 100644
index 00000000..35e45612
--- /dev/null
+++ b/docs/rn.3-3-1.txt
@@ -0,0 +1,18 @@
+.. _PT-3.3.1:
+
+================================================================================
+*Percona Toolkit* 3.3.1
+================================================================================
+
+:Date: April 28, 2021
+:Installation: `Installing Percona Toolkit <https://www.percona.com/doc/percona-toolkit/LATEST/installation.html>`_
+
+Bugs Fixed
+================================================================================
+
+* :jirabug:`PT-1943`: BEFORE triggers are dropped after pt-online-schema-change run
+* :jirabug:`PT-716`: LP #1641635: pt-summary reports wrong memory size
+* :jirabug:`PT-1919`: drop_swap can drop triggers (Thanks to bob for reporting this issue)
+* :jirabug:`PT-1914`: Column data lost when 'Generated' is in the column comment (Thanks to Kevin Wouters for reporting this issue)
+
+