diff --git a/environment.yml b/environment.yml
index 2f991cd5..11123ecf 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,6 +2,6 @@ name: empowerplan
 channels:
   - conda-forge
 dependencies:
-  - python=3.9
+  - python=3.11
   - gdal
   - coincbc