diff --git a/conda/meta.yaml b/conda/meta.yaml
index 6a445279d..c5b0bbc90 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -17,6 +17,7 @@ requirements:
     - pytest-runner
     - appdirs
   run:
+    - cloudpickle
     - dataclasses
     - python
     - numpy