diff --git a/index.ipynb b/index.ipynb
index 60b5fa0199..c0dbb1e82d 100644
--- a/index.ipynb
+++ b/index.ipynb
@@ -597,7 +597,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.4"
+   "version": "3.6.6"
   }
  },
  "nbformat": 4,