diff -r 0e30d551342a -r 777b98bf7965 requirements.txt
--- a/requirements.txt	Wed Dec 19 10:54:32 2018 +0100
+++ b/requirements.txt	Wed Dec 19 12:17:18 2018 +0100
@@ -1,6 +1,7 @@
 --find-links=http://download.ztfy.org/eggs
 --trusted-host download.ztfy.org
 
+GDAL==2.1.0 --global-option=build_ext --global-option="-I/usr/include/gdal"
 pyams-alchemy
 pyams-apm
 pyams-cache