diff --git a/requirements/runtime.txt b/requirements/runtime.txt
index f7a2cc7eb..17efe6817 100644
--- a/requirements/runtime.txt
+++ b/requirements/runtime.txt
@@ -1,5 +1,6 @@
 matplotlib
 numpy
-pycocotools
+pycocotools; platform_system == "Linux"
+pycocotools-windows; platform_system == "Windows"
 six
 terminaltables