diff --git a/nb04-latent-variable-models.ipynb b/nb04-latent-variable-models.ipynb
index 09a2c35..e07ea0e 100755
--- a/nb04-latent-variable-models.ipynb
+++ b/nb04-latent-variable-models.ipynb
@@ -174,7 +174,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python [conda env:dats0001] *",
+   "display_name": "Python [conda env:dats0001]",
    "language": "python",
    "name": "conda-env-dats0001-py"
   },
@@ -188,7 +188,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.4"
+   "version": "3.9.18"
   }
  },
  "nbformat": 4,
diff --git a/nb07-em.ipynb b/nb07-em.ipynb
index cb82068..089e28c 100755
--- a/nb07-em.ipynb
+++ b/nb07-em.ipynb
@@ -284,7 +284,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python [conda env:dats0001] *",
+   "display_name": "Python [conda env:dats0001]",
    "language": "python",
    "name": "conda-env-dats0001-py"
   },
@@ -298,7 +298,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.4"
+   "version": "3.9.18"
   }
  },
  "nbformat": 4,