diff --git a/pyproject.toml b/pyproject.toml
index e178624..b331c6a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "hatchling.build"
 name = "hwbench"
 authors = [{name = "Erwan Velu", email = "e.velu@criteo.com"}, {name = "Anisse Astier", email = "a.astier@criteo.com"}, {name = "Aurélien Rougemont", email="a.rougemont@criteo.com"}]
 description = "hwbench is a benchmark orchestrator to automate the low-level testing of servers"
-version = "0.1.0"
+version = "0.2.0"
 readme = "README.md"
 requires-python = ">=3.9"
 dependencies = [
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" },
 ]