diff --git a/pyproject.toml b/pyproject.toml
index f3df75f1d..741684f54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,6 +43,8 @@ packages = ["control"]
 test = ["pytest", "pytest-timeout"]
 slycot = [ "slycot>=0.4.0" ]
 cvxopt = [ "cvxopt>=1.2.0" ]
+pandas = [ "pandas>=1.5.0" ]
+full = [ "control[slycot,cvxopt,pandas]" ]
 
 [project.urls]
 homepage = "https://python-control.org"
@@ -55,4 +57,4 @@ write_to = "control/_version.py"
 addopts = "-ra"
 filterwarnings = [
     "error:.*matrix subclass:PendingDeprecationWarning",
-]
+]
\ No newline at end of file