diff --git a/pyproject.toml b/pyproject.toml
index 7aeb42cb..386de4b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ requires-python = ">=3.11,<3.14"
 dev = [
     "coverage~=7.6",
     "deptry~=0.21",
-    "ipykernel~=6.29",
+    "ipykernel>=6.29,<8.0",
     "jupyter~=1.1",
     "mkdocs-material~=9.5",
     "mkdocs-jupyter~=0.25",