diff --git a/setup.cfg b/setup.cfg
index 1c11180377ebacf55d737d29140c2b940a3ac2e4..811e8d341812192b5e3976f8e6da8177fc203c24 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -43,6 +43,7 @@ install_requires =
     numpy
     nd2reader
     pims_nd2
+    matplotlib
     
 python_requires = >=3.8
 include_package_data = True