diff --git a/pyproject.toml b/pyproject.toml
index c5d14b7..bccc3cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ dependencies = [
 excel = ["openpyxl>=3.0"]
 parquet = ["pyarrow>=10.0"]
 proxy = ["scipy>=1.10"]
-benchmark = ["scikit-learn>=1.8.0", "pyyaml>=6.0", "fairlearn>=0.14.0", "matplotlib>=3.11"]
+benchmark = ["scikit-learn>=1.8.0", "pyyaml>=6.0", "fairlearn>=0.14.0", "matplotlib>=3.10.9"]
 
 [project.urls]
 Homepage = "https://github.com/yakew7/Fair-Code"