diff --git a/Gemfile.lock b/Gemfile.lock
index 49fd7c5..adcceab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -102,10 +102,10 @@
     daemons (1.3.1)
     database_cleaner (1.7.0)
     debug_inspector (0.0.3)
-    devise (4.6.2)
+    devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 6.0)
+      railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
     devise_invitable (1.7.5)
@@ -327,7 +327,7 @@
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.2.0)
       loofah (~> 2.2, >= 2.2.2)
     rails_12factor (0.0.3)
       rails_serve_static_assets
@@ -340,7 +340,7 @@
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.2)
+    rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -506,7 +506,7 @@
   chromedriver-helper (>= 1.2.0)
   contact_us
   database_cleaner
-  devise
+  devise (>= 4.7.1)
   devise_invitable
   dotenv-rails
   dragonfly