diff --git a/requirements.txt b/requirements.txt
index 60d525eb..bcfdc694 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,6 @@ pandas
 matplotlib
 seaborn
 jupyter
-#ta-lib
-#https://download.lfd.uci.edu/pythonlibs/r5uhg2lo/TA_Lib-0.4.17-cp37-cp37m-win_amd64.whl
+ta-lib; platform_system=="Unix"
+https://download.lfd.uci.edu/pythonlibs/r5uhg2lo/TA_Lib-0.4.17-cp37-cp37m-win_amd64.whl; platform_system=="Windows"