diff --git a/Gemfile.lock b/Gemfile.lock
index 3757d37..dc84ac2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GIT
   revision: 3c31c0f0adaa028c6c58a4fe09b81b332d5fcae9
   specs:
     mongoid (7.3.0)
-      activemodel (>= 6.0, < 6.2)
+      activemodel (>= 5.1, < 6.2)
       mongo (>= 2.10.5, < 3.0.0)
 
 GEM
@@ -72,8 +72,8 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     bcrypt (3.1.16)
     bindex (0.8.1)
     bootsnap (1.7.5)
@@ -152,7 +152,7 @@ GEM
     nokogiri (1.11.7-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     puma (5.3.2)
       nio4r (~> 2.0)
     pundit (2.1.0)