diff --git a/requirements.txt b/requirements.txt
index 4d7e63c..7e0fae6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 hug>=2.4.0,<3.0.0
 hug-middleware-cors>=1.0.0,<2.0.0
-spacy>=2.1.0,<2.2.0
+spacy>=2.1.0,<2.3.7
 waitress>=1.0.2,<2.0.0
 plac>=0.9.6,<1.0.0