diff --git a/setup.py b/setup.py
index 38b7319f96..b8545ab61d 100644
--- a/setup.py
+++ b/setup.py
@@ -314,7 +314,7 @@ def run(self):
     # See https://github.com/RaRe-Technologies/gensim/pull/2814#issuecomment-621477948
     linux_testenv += [
         'tensorflow',
-        'keras',
+        'keras==2.3.1',
     ]
 
 NUMPY_STR = 'numpy >= 1.11.3'