diff --git a/requirements.txt b/requirements.txt
index 87754958a..1fcf963a3 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>=2017.4.5,<2017.12.1
+regex==2018.01.10
 requests>=2.13.0,<3.0.0
 pytest>=4.0.0,<5.0.0
 mock>=2.0.0,<3.0.0
diff --git a/setup.py b/setup.py
index 9d9ee8d37..c908201af 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>=2017.4.5,<2017.12.1',
+                'regex==2018.01.10',
                 'requests>=2.13.0,<3.0.0',
                 'pathlib==1.0.1; python_version < "3.4"'],
             extras_require={