diff --git a/OpenAttack/attackers/__init__.py b/OpenAttack/attackers/__init__.py
index 8bc264e..1cee8d1 100644
--- a/OpenAttack/attackers/__init__.py
+++ b/OpenAttack/attackers/__init__.py
@@ -17,4 +17,4 @@
 from .pso import PSOAttacker
 from .bert_attack import BERTAttacker
 from .bae import BAEAttacker
-from .geometry import GEOAttacker
+# from .geometry import GEOAttacker  FIXME: cannot import name 'zero_gradients' from 'torch.autograd.gradcheck'
diff --git a/requirements-dev.txt b/requirements-dev.txt
index fe5c3ce..1c1d5b6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ twine
 language_tool_python
 nltk>=3.5
 numpy
-tqdm<4.50.0,>=4.27
 datasets
+tqdm
 transformers>=4.0.0
 torch>=1.5.1
\ No newline at end of file
diff --git a/requirements-doc.txt b/requirements-doc.txt
index a7b06c8..84430e1 100644
--- a/requirements-doc.txt
+++ b/requirements-doc.txt
@@ -1,7 +1,7 @@
 nltk
 numpy
-tqdm<4.50.0,>=4.27
 datasets
+tqdm
 transformers
 torch
 sphinx-thunlp-theme>=0.0.9
diff --git a/requirements.txt b/requirements.txt
index d949c2b..31c0d82 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 nltk>=3.5
 numpy
-tqdm<4.50.0,>=4.27
 datasets
+tqdm
 transformers>=4.0.0
 torch>=1.5.1
\ No newline at end of file