diff --git a/requirements.txt b/requirements.txt
index b718b1b..beea886 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ chardet==3.0.4
 click==6.7
 dominate==2.3.1
 elasticsearch==6.1.1
-Flask==0.12.2
+Flask==1.0.2
 Flask-Babel==0.11.2
 Flask-Bootstrap==3.3.7.1
 Flask-HTTPAuth==3.2.3
@@ -19,7 +19,7 @@ Flask-WTF==0.14.2
 guess_language-spirit==0.5.3
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.10
 Mako==1.0.7
 MarkupSafe==1.0
 PyJWT==1.5.3
@@ -34,7 +34,7 @@ six==1.11.0
 SQLAlchemy==1.1.14
 urllib3==1.22
 visitor==0.1.3
-Werkzeug==0.12.2
+Werkzeug==0.14.1
 WTForms==2.1
 
 # requirements for Heroku