diff --git a/pyproject.toml b/pyproject.toml
index 645fe64ce..a188520bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "coverage>=7,<8",
-    "beartype>=0.19,<0.22",
+    "beartype>=0.19,<0.23",
     "ipykernel>=6,<7",
     "ipython>=8,<9",
     "jax[cpu]>=0.4,<0.6",