diff --git a/pyproject.toml b/pyproject.toml
index 53da56cf..288a2de2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ classifiers = [
 dependencies = [
     "toml==0.10.2",
     "numpy==1.26.1",
-    "matplotlib==3.7.3",
+    "matplotlib==3.8.1",
     "plotly==5.18.0",
 ]
 dynamic = ["version"]