diff --git a/pyproject.toml b/pyproject.toml
index c5c8a0600dda804ce13dfb8d4c6874ae967e87e6..610b5f8c226fcf2f040a6d6c22cffcb0498a0f8d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,8 @@ name="aidge_core"
 description="Core algorithms for operators and graph of the AIDGE framework"
 dependencies = [
     "numpy>=1.21.6",
-    "Jinja2>=3.1.2"
+    "Jinja2>=3.1.2",
+    "matplotlib"
 ]
 requires-python = ">= 3.7"
 readme = "README.md"