diff --git a/requirements.txt b/requirements.txt
index ed999c1a2..07019a48f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ murmurhash>=0.28.0,<1.1.0
 plac<1.0.0,>=0.9.6
 ujson>=1.35
 dill>=0.2,<0.3
-regex==2018.01.10
+regex>=2017.4.5,<2017.12.1
 requests>=2.13.0,<3.0.0
 pytest>=3.6.0,<4.0.0
 mock>=2.0.0,<3.0.0
diff --git a/setup.py b/setup.py
index c908201af..9d9ee8d37 100755
--- a/setup.py
+++ b/setup.py
@@ -196,7 +196,7 @@ def setup_package():
                 'plac<1.0.0,>=0.9.6',
                 'ujson>=1.35',
                 'dill>=0.2,<0.3',
-                'regex==2018.01.10',
+                'regex>=2017.4.5,<2017.12.1',
                 'requests>=2.13.0,<3.0.0',
                 'pathlib==1.0.1; python_version < "3.4"'],
             extras_require={
diff --git a/spacy/about.py b/spacy/about.py
index 6ec29b40f..a8a6f51d1 100644
--- a/spacy/about.py
+++ b/spacy/about.py
@@ -3,7 +3,7 @@
 # https://github.com/pypa/warehouse/blob/master/warehouse/__about__.py
 
 __title__ = 'spacy'
-__version__ = '2.0.17.dev0'
+__version__ = '2.0.17.dev1'
 __summary__ = 'Industrial-strength Natural Language Processing (NLP) with Python and Cython'
 __uri__ = 'https://spacy.io'
 __author__ = 'Explosion AI'