diff --git a/requirements.txt b/requirements.txt
index c6a60c34..76e37d6a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,6 @@ Faker==1.0.4
 fitparse==1.1.0
 Flask==1.0.2
 future==0.17.1
-GDAL==2.3.3
 geocoder==1.38.1
 geos==0.2.1
 holoviews==1.11.3
@@ -109,6 +108,7 @@ mistune==0.8.4
 mock==2.0.0
 more-itertools==6.0.0
 mpld3==0.3
+mysqlclient==1.4.2.post1
 nbconvert==5.4.1
 nbformat==4.4.0
 nose==1.3.7
@@ -192,7 +192,6 @@ wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.15.1
 widgetsnbextension==3.4.2
-winkerberos==0.7.0
 xlrd==1.2.0
 xmltodict==0.12.0
 yamjam==0.1.7