diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index efec7d08547b..abb373b10047 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,10 +3,8 @@ Changelog
 
 .. _v3-0:
 
-3.0 - `master`_
-~~~~~~~~~~~~~~~
-
-.. note:: This version is not yet released and is under active development.
+3.0 - 2020-07-20
+~~~~~~~~~~~~~~~~
 
 * **BACKWARDS INCOMPATIBLE:** Removed support for passing an
   :class:`~cryptography.x509.Extension` instance to
diff --git a/src/cryptography/__about__.py b/src/cryptography/__about__.py
index 54292526a831..c28f6950a9ed 100644
--- a/src/cryptography/__about__.py
+++ b/src/cryptography/__about__.py
@@ -22,7 +22,7 @@
 )
 __uri__ = "https://github.com/pyca/cryptography"
 
-__version__ = "3.0.dev1"
+__version__ = "3.0"
 
 __author__ = "The cryptography developers"
 __email__ = "cryptography-dev@python.org"
diff --git a/vectors/cryptography_vectors/__about__.py b/vectors/cryptography_vectors/__about__.py
index 05cfe30d989f..8b25ee489156 100644
--- a/vectors/cryptography_vectors/__about__.py
+++ b/vectors/cryptography_vectors/__about__.py
@@ -20,7 +20,7 @@
 
 __uri__ = "https://github.com/pyca/cryptography"
 
-__version__ = "3.0.dev1"
+__version__ = "3.0"
 
 __author__ = "The cryptography developers"
 __email__ = "cryptography-dev@python.org"