diff --git a/environment.yml b/environment.yml
index b44e401..7b5acfb 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,7 +3,7 @@
    - https://conda.anaconda.org/conda-forge
  dependencies:
    - python=3
-   - numpy
+   - numpy<2.0
    - nomkl
    - matplotlib
    - cartopy