diff --git a/examples/vertical-fl/pyproject.toml b/examples/vertical-fl/pyproject.toml
index 2376b55e1110..4efa726eb530 100644
--- a/examples/vertical-fl/pyproject.toml
+++ b/examples/vertical-fl/pyproject.toml
@@ -10,7 +10,6 @@ license = "Apache-2.0"
 dependencies = [
     "flwr[simulation]>=1.13.1",
     "flwr-datasets>=0.3.0",
-    "numpy==1.24.4",
     "pandas==2.0.3",
     "scikit-learn==1.3.2",
     "torch==2.1.0",