From da2977ea67bc33490c75af8aa9fb45c47bb853f7 Mon Sep 17 00:00:00 2001
From: "stephen.worsley" <stephen.worsley@metoffice.gov.uk>
Date: Fri, 24 Jul 2020 14:38:01 +0100
Subject: [PATCH] unpin proj, move cartopy pin forward

---
 requirements/core.txt | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/requirements/core.txt b/requirements/core.txt
index dbc0333d7c..9cedc72680 100644
--- a/requirements/core.txt
+++ b/requirements/core.txt
@@ -3,12 +3,11 @@
 
 # Without these, iris won't even import.
 
-cartopy>=0.12
-#conda: proj4<6
+cartopy>=0.18
 cf-units>=2
 cftime
 dask[array]>=2  #conda: dask>=2
-matplotlib<3.3
+matplotlib
 netcdf4
 numpy>=1.14
 scipy