diff --git a/pyproject.toml b/pyproject.toml
index 82035ea..a8fb201 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
 ]
 requires-python = ">=3.8.0"
 dependencies = [
-    "matplotlib==3.8.4",
+    "matplotlib==3.9.0",
 ]
 
 [project.urls]
diff --git a/requirements.txt b/requirements.txt
index b04e714..9a9169b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-matplotlib==3.8.4
+matplotlib==3.9.0