diff --git a/ndnmap-data-collector/debian/control b/ndnmap-data-collector/debian/control
index a395e78..195fb99 100644
--- a/ndnmap-data-collector/debian/control
+++ b/ndnmap-data-collector/debian/control
@@ -2,7 +2,7 @@
 Priority: extra
 Maintainer: John DeHart <jdd@wustl.edu>
 Build-Depends: debhelper (>= 9.20160709),
- python3 (>= 3.5.0),
+ python3 (>= 3.6.0),
  pkg-config (>= 0.26),
  libndn-cxx-dev (>= 0.8.0)
 Standards-Version: 3.9.2