diff --git a/_README.ipynb b/_README.ipynb
index 5e49851..529abed 100644
--- a/_README.ipynb
+++ b/_README.ipynb
@@ -133,17 +133,17 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
-   },
+   "version": "3.7.5"
+  },
   "pycharm": {
    "stem_cell": {
     "cell_type": "raw",
-    "source": [],
     "metadata": {
      "collapsed": false
-    }
-   } 
- }
+    },
+    "source": []
+   }
+  }
  },
  "nbformat": 4,
  "nbformat_minor": 2