diff --git a/continuous_integration/environment.yaml b/continuous_integration/environment.yaml
index 7ce9306315..e627212730 100644
--- a/continuous_integration/environment.yaml
+++ b/continuous_integration/environment.yaml
@@ -58,6 +58,7 @@ dependencies:
   - ephem
   - bokeh
   - pytest-xdist
+  - cftime
   - pip:
       - pytest-lazy-fixtures
       - trollsift