diff --git a/book_2/flasktaskr/requirement.txt b/book_2/flasktaskr/requirement.txt
index d6bd097..2260e5a 100644
--- a/book_2/flasktaskr/requirement.txt
+++ b/book_2/flasktaskr/requirement.txt
@@ -6,5 +6,5 @@ itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
 SQLAlchemy==1.3.5
-Werkzeug==0.15.4
+Werkzeug==0.15.5
 WTForms==2.2.1
diff --git a/book_2/flasktaskr/requirements.txt b/book_2/flasktaskr/requirements.txt
index d6bd097..2260e5a 100644
--- a/book_2/flasktaskr/requirements.txt
+++ b/book_2/flasktaskr/requirements.txt
@@ -6,5 +6,5 @@ itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
 SQLAlchemy==1.3.5
-Werkzeug==0.15.4
+Werkzeug==0.15.5
 WTForms==2.2.1