diff --git a/pyproject.toml b/pyproject.toml
index 7f97dd6..8f09d63 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ dependencies = [
   "numpy>=2",
   "scipy>=1.7",
   "torch>=2",
+  "matplotlib>=3.4",
 ]
 requires-python = ">=3.6"
 authors = [