diff --git a/index.ipynb b/index.ipynb
index ab2cbe951c90a3810674d50178fbb5ca42dc9799..5bc1a19e311e0da0800ddf4dd5aaad0f34672a86 100644
--- a/index.ipynb
+++ b/index.ipynb
@@ -380,7 +380,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.10"
+   "version": "3.8.8"
   },
   "toc": {
    "base_numbering": 1,