diff --git a/CHANGES.rst b/CHANGES.rst
index 0e4c3fc..20b726f 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -8,6 +8,10 @@
 Changes
 =======
 
+Version 1.3.3 (released 2021-06-01)
+
+- Maximum version of WTForms set to <3.0.0 due to incompatibility issues.
+
 Version 1.3.2 (released 2020-12-17)
 
 - Adds theme dependent icons.
diff --git a/invenio_oauth2server/version.py b/invenio_oauth2server/version.py
index 7ba5e67..4708486 100644
--- a/invenio_oauth2server/version.py
+++ b/invenio_oauth2server/version.py
@@ -12,4 +12,4 @@
 and parsed by ``setup.py``.
 """
 
-__version__ = '1.3.2'
+__version__ = '1.3.3'