diff --git a/CHANGES.rst b/CHANGES.rst
index 2883e3a..579e332 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changes
 =======
 
+30.0 (2021-09-30)
+-----------------
+
+* support cmarkgfm>=0.6.0 (#209)
+
 29.0 (2021-02-22)
 -----------------
 
diff --git a/readme_renderer/__about__.py b/readme_renderer/__about__.py
index c89a1fc..deae0f6 100644
--- a/readme_renderer/__about__.py
+++ b/readme_renderer/__about__.py
@@ -14,16 +14,23 @@
 from __future__ import absolute_import, division, print_function
 
 __all__ = [
-    "__title__", "__summary__", "__uri__", "__version__", "__author__",
-    "__email__", "__license__", "__copyright__",
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
 ]
 
 __title__ = "readme_renderer"
-__summary__ = ('readme_renderer is a library for rendering "readme" '
-               'descriptions for Warehouse')
+__summary__ = (
+    'readme_renderer is a library for rendering "readme" ' "descriptions for Warehouse"
+)
 __uri__ = "https://github.com/pypa/readme_renderer"
 
-__version__ = "29.0"
+__version__ = "30.0"
 
 __author__ = "The Python Packaging Authority"
 __email__ = "admin@mail.pypi.org"