diff --git a/pyproject.toml b/pyproject.toml
index 01852765..bb803004 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ test = [
     "coveralls>=3.0.0,<3.3.2",
     "flake8>=6.0,<6.1",
     "flake8-black>=0.3.4,<0.4",
-    "flake8-bugbear>=23.5,<23.8",
+    "flake8-bugbear>=23.5,<23.10",
     "pytest>=7.1.2,<7.4.4",
     "pytest-subtests>=0.10.0,<0.11.1"
 ]