diff --git a/tox.ini b/tox.ini
index 4d83144c..1bb3f22c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,7 +35,7 @@ deps=
     pandas
     keras: keras
     py3{6,7,8,9}: rich
-    tf: tensorflow
+    tf: tensorflow!=2.5.0
 commands=
     py3{6,7,8,9}: pytest --cov=tqdm --cov-report= tests_notebook.ipynb --nbval --current-env -W=ignore --sanitize-with=setup.cfg
     pytest --cov=tqdm --cov-report=xml --cov-report=term --cov-append -k "not perf"