diff --git a/conda/meta.yaml b/conda/meta.yaml
index b0aae100..36a7cef6 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -9,6 +9,7 @@ requirements:
     - setuptools
   run:
     - python>=3.8
+    - python-dateutil
     - scipp
     - h5py