diff --git a/pyproject.toml b/pyproject.toml
index aafea7b..81d6dd6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
     "wget",
     "astropy",
     "numpy",
-    "gwemopt==0.2.2",
+    "gwemopt==0.3.6",
     "pandas",
     "pydantic>=2.2.0",
     "planobs",