diff --git a/pyproject.toml b/pyproject.toml
index 888ba66..c9b5f78 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,6 +49,7 @@ teilchensammler-cli = "teilchensammler_cli.main:main"
 
 [dependency-groups]
 dev = [
+  "ipython>=9.10.0",
   "pytest>=9.0.1",
   "pytest-asyncio>=1.3.0",
   "pytest-cov>=7.0.0",