diff --git a/pyproject.toml b/pyproject.toml
index 0dca77b2..af440624 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,7 +75,7 @@ overreact = "overreact._cli:main"
 dev = [
     "debugpy>=1,<2",
     "flynt>=0.77,<1.1",
-    "ipython>=8,<9",
+    "ipython>=8,<10",
     "jupyter>=1.0.0,<2",
     "matplotlib>=3,<4",
     "mypy>=0.991,<2.4",