diff --git a/01_materials/labs/lab_5.ipynb b/01_materials/labs/lab_5.ipynb
index 8695395a9..57a0d5b90 100644
--- a/01_materials/labs/lab_5.ipynb
+++ b/01_materials/labs/lab_5.ipynb
@@ -56,9 +56,8 @@
         "import tarfile\n",
         "from urllib.request import urlretrieve\n",
         "\n",
-        "URL_VOC = (\"https://github.com/alexwolson/pascal-voc-2007-mirror/\"\n",
-        "           \"raw/main/VOCtrainval_06-Nov-2007.tar.gz\")\n",
-        "FILE_VOC = \"VOCtrainval_06-Nov-2007.tar.gz\"\n",
+        "URL_VOC = (\"http://host.robots.ox.ac.uk/pascal/VOC/voc2007/VOCtrainval_06-Nov-2007.tar\")\n",
+        "FILE_VOC = \"VOCtrainval_06-Nov-2007.tar\"\n",
         "FOLDER_VOC = \"VOCdevkit\"\n",
         "\n",
         "if not op.exists(FILE_VOC):\n",