VERSION         |  2 +-
 doc/install.rst | 12 ++++++------
 doc/news.rst    |  7 +++++++
 pyderasn.py     |  4 ++--

diff --git a/VERSION b/VERSION
index c60914761189c4bea4ad5fd9a761e91fe6ddf0c6870fdd1912fc564fefed00f8..36c5d4652e1a295b67fb1af16ccd4e5d56864e531ca14e2d565d63f7a10f201f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-9.2
+9.3
diff --git a/doc/install.rst b/doc/install.rst
index b54f26e5f28f3574c5af82111ba17bc2277796d99e43b461b3fa64b870fd7ffd..3126d4e97e99d9311ba4f17f4202aced007c5f6380b72e163fad7541442a4956 100644
--- a/doc/install.rst
+++ b/doc/install.rst
@@ -4,11 +4,11 @@
 Preferable way is to :ref:`download <download>` tarball with the
 signature from `official website <http://www.pyderasn.cypherpunks.ru/>`__::
 
-    $ [fetch|wget] http://www.pyderasn.cypherpunks.ru/download/pyderasn-9.2.tar.zst
-    $ [fetch|wget] http://www.pyderasn.cypherpunks.ru/download/pyderasn-9.2.tar.zst.sig
-    $ gpg --verify pyderasn-9.2.tar.zst.sig pyderasn-9.2.tar.zst
-    $ zstd -d < pyderasn-9.2.tar.zst | tar xf -
-    $ cd pyderasn-9.2
+    $ [fetch|wget] http://www.pyderasn.cypherpunks.ru/download/pyderasn-9.3.tar.zst
+    $ [fetch|wget] http://www.pyderasn.cypherpunks.ru/download/pyderasn-9.3.tar.zst.sig
+    $ gpg --verify pyderasn-9.3.tar.zst.sig pyderasn-9.3.tar.zst
+    $ zstd -d < pyderasn-9.3.tar.zst | tar xf -
+    $ cd pyderasn-9.3
     $ python setup.py install
     # or copy pyderasn.py (possibly termcolor.py) to your PYTHONPATH
 
@@ -18,7 +18,7 @@ * ``dateutil`` is an optional dependency used for ``.totzdatetime()`` method.
 
 You could use pip (**no** OpenPGP authentication is performed!) with PyPI::
 
-    $ echo pyderasn==9.2 --hash=sha256:TO-BE-FILLED > requirements.txt
+    $ echo pyderasn==9.3 --hash=sha256:TO-BE-FILLED > requirements.txt
     $ pip install --requirement requirements.txt
 
 You have to verify downloaded tarballs integrity and authenticity to be
diff --git a/doc/news.rst b/doc/news.rst
index 2f7003c0c6d022384c5c26a0f0e28234cd99e4fa700df3a089c9f788375f7bb1..209b0ac5bd4153bc1d1febfd98105313d0d3eb91de5f64aad5dae19a0aad01e2 100644
--- a/doc/news.rst
+++ b/doc/news.rst
@@ -1,6 +1,13 @@
 News
 ====
 
+.. _release9.3:
+
+9.3
+---
+* CommonString's ``.memoryview()`` raises ValueError now for
+  friendliness with linters
+
 .. _release9.2:
 
 9.2
diff --git a/pyderasn.py b/pyderasn.py
index d09bd10974e9197212afa5795093d025fc01b7a9c861bf1a96241dc53ee600e3..b6315748ecd1340bc0cb1a63776fd5baf51637e4ebda00b9ebf4da81816e1e36 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -1196,7 +1196,7 @@ except ImportError:  # pragma: no cover
     tzUTC = "missing"
 
 
-__version__ = "9.2"
+__version__ = "9.3"
 
 __all__ = (
     "agg_octet_string",
@@ -4763,7 +4763,7 @@             return self._value.decode(self.encoding)
         return str(self._value)
 
     def memoryview(self):
-        raise NotImplementedError()
+        raise ValueError("CommonString does not support .memoryview()")
 
     def __repr__(self):
         return pp_console_row(next(self.pps()))