diff --git a/build/pyproject.toml b/build/pyproject.toml
index 1404e08e3e97579f346dcf6ac0e249e656da72dc..31a712082854b0d0269be804fdd409dfc66ec2ef 100644
--- a/build/pyproject.toml
+++ b/build/pyproject.toml
@@ -8,6 +8,7 @@ readme = "README.md"
 [tool.poetry.dependencies]
 python = ">=3.10"
 numpy = "~1.24"
+matplotlib = "3.8.0"
 pytest = "^7.4.4"
 
 [build-system]