diff --git a/lec1.ipynb b/lec1.ipynb
index 0cc9cd8..8a70271 100644
--- a/lec1.ipynb
+++ b/lec1.ipynb
@@ -705,7 +705,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.5"
+   "version": "3.12.7"
   }
  },
  "nbformat": 4,
diff --git a/lec2.ipynb b/lec2.ipynb
index 4ba7802..37c3e47 100644
--- a/lec2.ipynb
+++ b/lec2.ipynb
@@ -1077,7 +1077,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.6"
+   "version": "3.12.7"
   }
  },
  "nbformat": 4,