diff --git a/pynemo_37.yml b/pynemo_37.yml
index 3e9f6612b4198277a64980eead48fe191629daf4..cc68a4f90771081cfb85f6f929e74d9647f92952 100644
--- a/pynemo_37.yml
+++ b/pynemo_37.yml
@@ -2,6 +2,7 @@ name: pynemo3
 channels:
   - defaults
 dependencies:
+  - matplotlib=3.2
   - basemap=1.2.0
   - netcdf4=1.5.3
   - pyqt=5.9.2
@@ -13,6 +14,7 @@ dependencies:
   - xarray=0.15.0
   - xlsxwriter=1.2.8
   - xmltodict=0.12.0
+  - cftime=1.4.1 
   - pip:
     - idna==2.9
     - lxml==4.5.0