diff --git a/requirements.txt b/requirements.txt
index 1640e53..c4bfa2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,21 +8,21 @@
 # license agreement from NVIDIA CORPORATION is strictly prohibited.
 #
 
-configargparse~=1.2.3
-Cython~=0.29.13
-h5py~=3.1.0
-numpy~=1.19.4
-pandas~=1.2.0
-pyBigWig~=0.3.17
-pytest~=6.2.1
-pyyaml~=5.3.1
-scipy~=1.6.0
-termcolor~=1.1.0
-torch~=1.7.1
-torchvision~=0.8.2
-scikit-learn~=0.21.3
-setuptools~=51.1.1
-sphinx~=3.4.2
-recommonmark~=0.7.1
-sphinx-rtd-theme~=0.5.0
-jupyterlab~=3.0.0
+configargparse>=1.2.3
+Cython>=0.29.13
+h5py>=3.1.0
+numpy>=1.19.4
+pandas>=1.2.0
+pyBigWig>=0.3.17
+pytest>=6.2.1
+pyyaml>=5.3.1
+scipy>=1.6.0
+termcolor>=1.1.0
+torch>=1.7.1
+torchvision>=0.8.2
+scikit-learn>=0.21.3
+setuptools>=51.1.1
+sphinx>=3.4.2
+recommonmark>=0.7.1
+sphinx-rtd-theme>=0.5.0
+jupyterlab>=3.0.0