diff --git a/python/requirements.txt b/python/requirements.txt
index 138220b405..12f36b3708 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,6 +1,7 @@
 requests>=2.20.0
 numpy>=1.13, <=1.16.4 ; python_version<"3.5"
-numpy>=1.13 ; python_version>="3.5"
+numpy>=1.13 ; python_version>="3.5" and platform_system != "Windows"
+numpy>=1.13, <=1.19.3 ; python_version>="3.5" and platform_system == "Windows"
 protobuf>=3.1.0
 gast==0.3.3
 scipy>=0.19.0, <=1.2.1 ; python_version<"3.5"