diff --git a/pyproject.toml b/pyproject.toml
index 51dae03e060..6b5ae46f890 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ doc = [
     "imageio>=2.30.0,<2.35",
     #"imageio-ffmpeg>=0.4.0,<0.5",
     "ipython>=7.34.0; python_version == '3.7'",
-    "ipython>=8.13.0<8.23; python_version > '3.7'",
+    "ipython>=8.13.0,<8.23; python_version > '3.7'",
     #"ipywidgets>=8.0.0,<8.2",
     "joblib>=1.3.0,<1.4",
     "jupyterlab>=4.0.0,<4.3",