diff --git a/pyproject.toml b/pyproject.toml
index a1c8c506..aefb8b80 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dynamic = ["version"]
 
 [project.optional-dependencies]
 dev = [
-    "pandapower>2.11.1",
+    "pandapower>2.11.1, <3.0",
     "pre-commit",
     "pylint",
     "pytest",
@@ -50,7 +50,7 @@ dev = [
 ]
 examples = [
     "power-grid-model>1.9.80",
-    "pandapower>2.11.1",
+    "pandapower>2.11.1, <3.0",
     "pyarrow", # Pyarrow support for Python 3.12 scheduled for 14.0.0: https://github.com/apache/arrow/issues/37880
 ]
 doc = [