diff --git a/pyproject.toml b/pyproject.toml
index c386fda..c8ffb01 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ authors = [
 ]
 requires-python = ">=3.10"
 dependencies = [
-    "pytheory>=0.40.6",
+    "pytheory>=0.40.8",
 ]
 
 [project.urls]