diff --git a/test-requirements.txt b/test-requirements.txt
index a719f4228..5e847837e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,3 +2,4 @@ coverage==4.3.1
 codeclimate-test-reporter==0.2.3
 xmltodict==0.11.0
 awscli==1.14.18
+pywin32; sys_platform == 'nt'