diff --git a/development.ini b/development.ini
index 1c9b69d..9ea2bfa 100644
--- a/development.ini
+++ b/development.ini
@@ -96,6 +96,9 @@ debexpo.gpg_path = /usr/bin/gpg
 # Path to the mentors keyring
 debexpo.gpg_keyring = 
 
+# Minimum key strength required for the key to be acceptable in Debian keyring.
+debexpo.gpg_minkeystrength = 4096
+
 # Cronjobs to run by the Worker task
 debexpo.cronjobs = importcomments importuploads