diff --git a/notebooks/hackathon_2024.02/scenario1/epi_scenario1.ipynb b/notebooks/hackathon_2024.02/scenario1/epi_scenario1.ipynb
index 9e2513426..7dcd30bd7 100644
--- a/notebooks/hackathon_2024.02/scenario1/epi_scenario1.ipynb
+++ b/notebooks/hackathon_2024.02/scenario1/epi_scenario1.ipynb
@@ -799,7 +799,7 @@
     "# Apply country-specific data to model\n",
     "for country, country_data in data.items():\n",
     "    # Create a copy of the model for this country\n",
-    "    seird_age_strat_country = seird_base_age_strat.copy(deep=True)\n",
+    "    seird_age_strat_country = seird_base_age_strat.model_copy(deep=True)\n",
     "    \n",
     "    pop_df = country_data['population']\n",
     "    contact_matrix_df = country_data['contact_matrix']\n",
@@ -1025,7 +1025,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.4"
+   "version": "3.10.12"
   }
  },
  "nbformat": 4,