diff --git a/environment.yml b/environment.yml
index e386acb..1b106b2 100644
--- a/environment.yml
+++ b/environment.yml
@@ -12,6 +12,8 @@ dependencies:
   - cycler
   - pathos
   - dill
-  - scqubits==2.0
+  - scqubits>=4.3
   - ipywidgets
+  - ipyvuetify
   - sympy
+  - qutip-qip
diff --git a/examples/demo_customcircuit.ipynb b/examples/demo_customcircuit.ipynb
index f679264..4b80e6a 100644
--- a/examples/demo_customcircuit.ipynb
+++ b/examples/demo_customcircuit.ipynb
@@ -78,7 +78,7 @@
    },
    "outputs": [],
    "source": [
-    "zero_pi = scq.Circuit(zp_yaml, from_file=False, ext_basis=\"discretized\")"
+    "zero_pi = scq.Circuit.from_yaml_string(zp_yaml, ext_basis=\"discretized\")"
    ]
   },
   {