diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -6,10 +6,11 @@ setup(
     packages=find_packages(),
     include_package_data=True,
     install_requires=[
-        "Flask==1.0.2",
+        "Flask==2.0.1",
         "Flask-Pure==0.5",
-        "Flask-QRcode==2.0.2",
-        "Flask-WeasyPrint==0.5",
-        "Flask-WTF==0.14.2",
+        "Flask-QRcode==3.0.0",
+        "Flask-WeasyPrint==0.6",
+        "Flask-WTF==0.15.1",
+        "email-validator==1.1.3",
     ],
 )