diff --git a/attr/__init__.py b/attr/__init__.py
index 8b8cf08d..9d945f4d 100644
--- a/attr/__init__.py
+++ b/attr/__init__.py
@@ -23,7 +23,7 @@ from . import filters
 from . import validators
 
 
-__version__ = "15.1.0.dev0"
+__version__ = "15.1.0"
 
 __title__ = "attrs"
 __description__ = "Attributes without boilerplate."
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 99ea1551..80650bf4 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -9,7 +9,7 @@ Versions are year-based with a strict :doc:`backwards-compatibility policy <back
 The third digit is only for regressions.
 
 
-15.1.0 (UNRELEASED)
+15.1.0 (2015-08-20)
 -------------------