diff --git a/tox.ini b/tox.ini
index 4d83144cb..745c6c031 100644
--- a/tox.ini
+++ b/tox.ini
@@ -33,7 +33,7 @@ deps=
     matplotlib
     numpy
     pandas
-    keras: keras
+    keras: keras!=2.4.3
     py3{6,7,8,9}: rich
     tf: tensorflow
 commands=