diff --git a/sheet11/sheet11.ipynb b/sheet11/sheet11.ipynb
index 351fe98..877bdaa 100644
--- a/sheet11/sheet11.ipynb
+++ b/sheet11/sheet11.ipynb
@@ -540,7 +540,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.1"
+   "version": "3.5.2"
   }
  },
  "nbformat": 4,
diff --git a/sheet11/sheet11solutions.ipynb b/sheet11/sheet11solutions.ipynb
index 45ae4f4..b476182 100644
--- a/sheet11/sheet11solutions.ipynb
+++ b/sheet11/sheet11solutions.ipynb
@@ -696,7 +696,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.1"
+   "version": "3.5.2"
   }
  },
  "nbformat": 4,