diff --git a/content/GA_2_4/GA_2_4_solution.ipynb b/content/GA_2_4/GA_2_4_solution.ipynb
index 3d1fc94d6e08777dc41fcff8f72720d4ab698c17..d07276aafe24bd057a8242784b914b001e4caa1f 100644
--- a/content/GA_2_4/GA_2_4_solution.ipynb
+++ b/content/GA_2_4/GA_2_4_solution.ipynb
@@ -1575,7 +1575,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.3"
+   "version": "3.12.5"
   }
  },
  "nbformat": 4,
diff --git a/src/students/Week_2_5/Lecture_2_5.pdf b/src/students/Week_2_5/Lecture_2_5.pdf
index f74145beb434b91d560c980087d456a38c7f9505..ba21d919a93d2639cf171c4784e290b914af709e 100644
Binary files a/src/students/Week_2_5/Lecture_2_5.pdf and b/src/students/Week_2_5/Lecture_2_5.pdf differ