diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index acc093c..f0860db 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,42 @@
 Changelog
 =========
 
+.. _v0-4-0:
+
+0.4.0 - 2021-01-30
+------------------
+
+Features
+^^^^^^^^
+
+* TLS (``tls``)
+
+  * add analyzer for checking whether TLS server requires client certificate for authentication (#36)
+  * `LDAP <https://en.wikipedia.org/wiki/Lightweight_Directory_Access_Protocol>`_ support (#25)
+
+Notable fixes
+^^^^^^^^^^^^^
+
+* TLS (``tls``)
+
+  * Generic
+
+    * handle that a server indicates handshake failure by sending close notify alert (#44)
+    * handle that a server does not respect lack of the signature algorithms extension (#43)
+
+  * Versions (``versions``)
+
+    * handle that a server supports only non-RSA public keys (#41)
+
+Perforamce
+^^^^^^^^^^
+
+* TLS (``tls``)
+
+  * Cipher Suites (``ciphers``)
+
+    * speed up TLS supported curve check (#39)
+
 .. _v0-3-1:
 
 0.3.1 - 2020-09-15
diff --git a/setup.py b/setup.py
index 073a50e..5b2a30e 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ def test_discover():
 
 setup(
     name='cryptolyzer',
-    version='0.3.1',
+    version='0.4.0',
     description='Fast and flexible cryptographic protocol analyzer',
     long_description=long_description,
     author='Szilárd Pfeiffer',
diff --git a/submodules/cryptoparser b/submodules/cryptoparser
index c7aab25..2d9a53b 160000
--- a/submodules/cryptoparser
+++ b/submodules/cryptoparser
@@ -1 +1 @@
-Subproject commit c7aab256ede1efac3eaeda8d705fbf0048e6bc1e
+Subproject commit 2d9a53bbfa613e455cd8efc023cb2c96462ca691