diff --git a/.travis.yml b/.travis.yml
index d6acf34..466e22e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ before_install:
   - export TZ=Asia/Calcutta
 install:
   - pip install -r requirements.txt
+  - pip install pytz
 # command to run tests
 script:
   - python test.py