diff --git a/development.ini b/development.ini
index 4e3f4ca..08bf9a8 100644
--- a/development.ini
+++ b/development.ini
@@ -16,18 +16,6 @@ pyramid.includes =
 
 moin.config_path = /var/www/moin/config/
 
-# email delivery
-mail.host = mail.uni-freiburg.de
-mail.port = 25
-mail.username = 
-mail.password = 
-mail.tls = True
-#mail.ssl = True
-mail.default_sender = cpiserver@imtek.uni-freiburg.de
-mail.admin_email = 
-    frey@imtek.de
-    prucker@imtek.de
-
 # email delivery
 mail.host = localhost
 mail.port = 2525
diff --git a/pyproject.toml b/pyproject.toml
index 3fcedf6..775aef4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ classifiers = [
 dependencies = [
     "chardet",
     "plaster_pastedeploy",
-    "pyramid",
+    "pyramid>=2.0.0",
     "pyramid_mailer",
     "waitress",
 ]