diff --git a/3rdparty/python/requirements.txt b/3rdparty/python/requirements.txt
index 578991f70c9..3371aaf298c 100644
--- a/3rdparty/python/requirements.txt
+++ b/3rdparty/python/requirements.txt
@@ -20,7 +20,7 @@ pystache==0.5.3
 pytest-cov>=2.4,<2.5
 pytest>=3.0.7,<4.0
 pywatchman==1.3.0
-requests[security]>=2.5.0,<2.19
+requests==2.5.0,<2.19
 scandir==1.2
 setproctitle==1.1.10
 setuptools==30.0.0