diff --git a/setup.py b/setup.py
index 566eed5..2a0253a 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@
         'requests>=2.22.0',
         'six>=1.12.0',
         'sortedcontainers>=2.1.0',
-        'spacy>=2.1.4',
+        'spacy>=2.1.4,<=2.3.5',
         'srsly>=0.0.7',
         'thinc>=7.0.4',
         'tqdm>=4.32.2',
@@ -57,4 +57,4 @@
     entry_points = {
         'console_scripts': ['pyresparser=pyresparser.command_line:main'],
     }
-)
\ No newline at end of file
+)