diff --git a/Calculate-distance/requirements.txt b/Calculate-distance/requirements.txt
index 9435ab8e5a..6e6286aef8 100644
--- a/Calculate-distance/requirements.txt
+++ b/Calculate-distance/requirements.txt
@@ -1,4 +1,4 @@
 geopy==2.1.0
 folium==0.12.1
 django-crispy-forms==1.11.0
-Django==2.2.27
+Django==2.2.28
diff --git a/PDF Watermark Remover/requirements.txt b/PDF Watermark Remover/requirements.txt
index a61fd05a0c..2ea6afc31a 100644
--- a/PDF Watermark Remover/requirements.txt	
+++ b/PDF Watermark Remover/requirements.txt	
@@ -3,5 +3,5 @@ pdf2image==1.15.1
 fpdf==1.7.2
 numpy==1.22.0rc1
 Pillow==9.0.1
-PyPDF2==1.26.0
+PyPDF2==1.27.5
 skimage==0.0
diff --git a/Traffic-Sign-Detection/requirements.txt b/Traffic-Sign-Detection/requirements.txt
index e6642f7077..419390e1b4 100644
--- a/Traffic-Sign-Detection/requirements.txt
+++ b/Traffic-Sign-Detection/requirements.txt
@@ -56,7 +56,7 @@ nbconvert==6.0.7
 nbformat==5.1.2
 nest-asyncio==1.4.3
 networkx==2.5
-notebook==6.2.0
+notebook==6.4.10
 numba==0.52.0
 numpy==1.22.0rc1
 oauthlib==3.1.0
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/Uncodedtech/Amazing-Python-Scripts/pull/25.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/Uncodedtech/Amazing-Python-Scripts/pull/25.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>