16.1.0 changelog + version bump (#518)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 9f867c4..564abeb 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -5,7 +5,7 @@
 The third digit is only for regressions.
 
 
-16.1.0 (UNRELEASED)
+16.1.0 (2016-08-26)
 -------------------
 
 Backward-incompatible changes:
@@ -29,6 +29,7 @@
   `#483 <https://github.com/pyca/pyopenssl/pull/483>`_
 - ``OpenSSL.crypto.PKey`` can now be constructed from ``cryptography`` objects and also exported as such.
   `#439 <https://github.com/pyca/pyopenssl/pull/439>`_
+- Support newer versions of ``cryptography`` which use opaque structs for OpenSSL 1.1.0 compatibility.
 
 
 ----
diff --git a/src/OpenSSL/version.py b/src/OpenSSL/version.py
index 7153694..1a94d87 100644
--- a/src/OpenSSL/version.py
+++ b/src/OpenSSL/version.py
@@ -11,7 +11,7 @@
     "__title__", "__uri__", "__version__",
 ]
 
-__version__ = "16.1.0.dev0"
+__version__ = "16.1.0"
 
 __title__ = "pyOpenSSL"
 __uri__ = "https://pyopenssl.readthedocs.io/"