diff --git a/tox.ini b/tox.ini
index 70894e7..33496d8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,6 +21,7 @@ deps =
 	quixote<3.0
 	psycopg2-binary
 	vobject
+	pyproj
 	gadjo
 	mock
 	django>=1.11,<1.12