diff --git a/pyproject.toml b/pyproject.toml
index aab64d196..62931eb83 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ dependencies = [
     "google-cloud-bigquery<=3.23.1",
     "google-cloud-storage>=1.6.0",
     "gunicorn>=22.0.0",
-    "matplotlib==3.9.0",
+    "matplotlib==3.9.1",
     "passlib>=1.7.1",
     "ply>=3.11",
     "psutil>=5.7.0",