diff --git a/.travis.yml b/.travis.yml
index 9ca8eb9..85d6005 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -38,6 +38,7 @@ before_install:
   # install dependencies for rhapsody
   - conda install requests numpy scikit-learn
   - conda install matplotlib
+  - pip install tqdm
 
 install:
   # - python setup.py install
diff --git a/setup.py b/setup.py
index 82bd9fd..b208bbc 100644
--- a/setup.py
+++ b/setup.py
@@ -17,8 +17,10 @@
     version=version,
     packages=find_packages(exclude=['contrib', 'docs', 'tests']),
     python_requires='>=3.5, <4',
-    install_requires=['requests', 'numpy', 'scikit-learn', 'matplotlib',
-                      'biopython', 'pyparsing', 'prody'],
+    install_requires=[
+        'requests', 'tqdm',
+        'numpy',  'scikit-learn', 'matplotlib',
+        'biopython', 'pyparsing', 'prody'],
     extras_require={
         'docs': ['sphinx >= 1.4', 'sphinx_theme', 'sphinx_rtd_theme']
     },