diff --git a/notebooks/MSSM_for_Barrier3d.ipynb b/notebooks/MSSM_for_Barrier3d.ipynb
index a664a31..92f996f 100644
--- a/notebooks/MSSM_for_Barrier3d.ipynb
+++ b/notebooks/MSSM_for_Barrier3d.ipynb
@@ -292,7 +292,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -306,7 +306,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.9"
+   "version": "3.7.4"
   }
  },
  "nbformat": 4,