diff --git a/Gemfile b/Gemfile
index a783fe0b..2087d535 100644
--- a/Gemfile
+++ b/Gemfile
@@ -30,6 +30,7 @@ gem "haml", "~> 5.0"
 gem "hcaptcha", "~> 7.0"
 gem "mini_magick"
 gem "oj"
+gem "paranoia"
 gem "rqrcode"
 
 gem "rolify", "~> 6.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 3c4bf110..bf1daecb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -348,6 +348,8 @@ GEM
       rack
     orm_adapter (0.5.0)
     parallel (1.22.1)
+    paranoia (2.6.0)
+      activerecord (>= 5.1, < 7.1)
     parser (3.1.2.0)
       ast (~> 2.4.1)
     pg (1.4.1)
@@ -628,6 +630,7 @@ DEPENDENCIES
   omniauth
   omniauth-rails_csrf_protection (~> 1.0)
   omniauth-twitter
+  paranoia
   pg
   pghero
   poltergeist