diff --git a/uv.lock b/uv.lock
index e4fd027..43a33f6 100644
--- a/uv.lock
+++ b/uv.lock
@@ -192,12 +192,16 @@ version = "0.1.0"
 source = { editable = "." }
 dependencies = [
     { name = "cachetools" },
+    { name = "packaging" },
+    { name = "redfish" },
+]
+
+[package.optional-dependencies]
+graph = [
     { name = "matplotlib" },
     { name = "numpy" },
-    { name = "packaging" },
     { name = "pillow" },
     { name = "pycairo" },
-    { name = "redfish" },
 ]
 
 [package.dev-dependencies]
@@ -213,11 +217,11 @@ dev = [
 [package.metadata]
 requires-dist = [
     { name = "cachetools" },
-    { name = "matplotlib", specifier = ">3.5.0" },
-    { name = "numpy" },
+    { name = "matplotlib", marker = "extra == 'graph'", specifier = ">3.5.0" },
+    { name = "numpy", marker = "extra == 'graph'" },
     { name = "packaging" },
-    { name = "pillow", specifier = ">=11.0.0" },
-    { name = "pycairo" },
+    { name = "pillow", marker = "extra == 'graph'", specifier = ">=11.0.0" },
+    { name = "pycairo", marker = "extra == 'graph'" },
     { name = "redfish" },
 ]