diff --git a/Untitled.ipynb b/Untitled.ipynb
index 528167b..a9d24ac 100644
--- a/Untitled.ipynb
+++ b/Untitled.ipynb
@@ -24,7 +24,7 @@
     "colab_type": "text"
    },
    "source": [
-    "<a href=\"https://colab.research.google.com/github/kangwonlee/colab_template/blob/main/Untitled.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>\n"
+    "<a href=\"https://colab.research.google.com/github/kangwonlee/colab_template/blob/dependabot/pip/notebook-6.4.12/Untitled.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>\n"
    ]
   },
   {
diff --git a/requirements.txt b/requirements.txt
index a81a679..28945ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ cython
 jupyter
 lxml == 4.9.2
 matplotlib == 3.7.1
-notebook == 6.4.8
+notebook == 6.4.12
 numpy == 1.22.4
 pandas == 1.5.3
 pandas-datareader == 0.10.0