diff --git a/tests/common-pkgs-2/pyproject.toml b/tests/common-pkgs-2/pyproject.toml
index 008f8f8..15fbaef 100644
--- a/tests/common-pkgs-2/pyproject.toml
+++ b/tests/common-pkgs-2/pyproject.toml
@@ -66,7 +66,7 @@ pillow = "^6.2.1"
 psycopg2 = "^2.8.4"
 bcrypt = "^3.1.7"
 mccabe = "^0.6.1"
-matplotlib = "^3.5.1"
+# matplotlib = "^3.5.1"
 
 [tool.poetry.dev-dependencies]