changelog and version bump for 2.5 (#4729)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d77cf15..7ee6d4d 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,10 +3,8 @@
 
 .. _v2-5:
 
-2.5 - `master`_
-~~~~~~~~~~~~~~~
-
-.. note:: This version is not yet released and is under active development.
+2.5 - 2019-01-22
+~~~~~~~~~~~~~~~~
 
 * **BACKWARDS INCOMPATIBLE:** :term:`U-label` strings were deprecated in
   version 2.1, but this version removes the default ``idna`` dependency as
@@ -16,6 +14,8 @@
 * Numerous classes and functions have been updated to allow :term:`bytes-like`
   types for keying material and passwords, including symmetric algorithms, AEAD
   ciphers, KDFs, loading asymmetric keys, and one time password classes.
+* Updated Windows, macOS, and ``manylinux1`` wheels to be compiled with
+  OpenSSL 1.1.1a.
 * Added support for :class:`~cryptography.hazmat.primitives.hashes.SHA512_224`
   and :class:`~cryptography.hazmat.primitives.hashes.SHA512_256` when using
   OpenSSL 1.1.1.
diff --git a/src/cryptography/__about__.py b/src/cryptography/__about__.py
index 75a5418..02f81f6 100644
--- a/src/cryptography/__about__.py
+++ b/src/cryptography/__about__.py
@@ -14,7 +14,7 @@
                " and primitives to Python developers.")
 __uri__ = "https://github.com/pyca/cryptography"
 
-__version__ = "2.5.dev1"
+__version__ = "2.5"
 
 __author__ = "The cryptography developers"
 __email__ = "cryptography-dev@python.org"
diff --git a/vectors/cryptography_vectors/__about__.py b/vectors/cryptography_vectors/__about__.py
index 07ca6c7..6fcb314 100644
--- a/vectors/cryptography_vectors/__about__.py
+++ b/vectors/cryptography_vectors/__about__.py
@@ -14,7 +14,7 @@
 
 __uri__ = "https://github.com/pyca/cryptography"
 
-__version__ = "2.5.dev1"
+__version__ = "2.5"
 
 __author__ = "The cryptography developers"
 __email__ = "cryptography-dev@python.org"