diff --git a/requirements.txt b/requirements.txt
index f0e81391..c8759499 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ sacred
 sqlalchemy
 pyyaml
 progressbar2
-spacy
+spacy==1.9
 diskcache
 pytest
 pytest-runner