diff --git a/spacy/about.py b/spacy/about.py
index a8880d7ca..699b61aff 100644
--- a/spacy/about.py
+++ b/spacy/about.py
@@ -3,13 +3,13 @@
 # https://github.com/pypa/warehouse/blob/master/warehouse/__about__.py
 
 __title__ = 'spacy-nightly'
-__version__ = '2.0.0a16'
+__version__ = '2.0.0a17'
 __summary__ = 'Industrial-strength Natural Language Processing (NLP) with Python and Cython'
 __uri__ = 'https://spacy.io'
 __author__ = 'Explosion AI'
 __email__ = 'contact@explosion.ai'
 __license__ = 'MIT'
-__release__ = True
+__release__ = False
 
 __docs_models__ = 'https://alpha.spacy.io/usage/models'
 __download_url__ = 'https://github.com/explosion/spacy-models/releases/download'