diff --git a/pyproject.toml b/pyproject.toml
index 73a37f7d..c73d1b8f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ classifiers = [
 ]
 readme = "README.md"
 dependencies = [
-  "mesa>=3.0.0a3",
+  "mesa>=3.0.0a4",
   "geopandas",
   "libpysal",
   "rtree",