Ensure the version number is correct
diff --git a/src/attr/__init__.py b/src/attr/__init__.py
index ee0bf75..dddfad5 100644
--- a/src/attr/__init__.py
+++ b/src/attr/__init__.py
@@ -29,7 +29,7 @@
 from . import validators
 
 
-__version__ = "17.4.0.dev0"
+__version__ = "17.3.0"
 
 __title__ = "attrs"
 __description__ = "Classes Without Boilerplate"