diff --git a/setup.py b/setup.py
index 307b7599..c82f0bb1 100644
--- a/setup.py
+++ b/setup.py
@@ -32,14 +32,14 @@
     ],
     extras_require={
         "dev": [
-            "matplotlib==3.5.1",
+            "matplotlib==3.7.1",
             "pillow==9.2.0",
             "pyvoronoi==1.0.7",
             "shapely==1.8.2",
         ],
         "test": [
             "ddt==1.6.0",
-            "matplotlib==3.5.1",
+            "matplotlib==3.7.1",
             "mock==4.0.3",
             "nose==1.3.7",
             "pillow==9.2.0",