diff --git a/Gemfile.lock b/Gemfile.lock
index 6d099d1..ddca7a9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     simple-validations-rails (0.0.4)
-      rails (~> 5.2.3)
+      rails (>= 5.2.3)
 
 GEM
   remote: https://rubygems.org/
@@ -51,13 +51,13 @@ GEM
     arel (9.0.0)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     erubi (1.8.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -70,7 +70,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     nio4r (2.4.0)
-    nokogiri (1.10.3)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     rack (2.0.7)
     rack-test (1.1.0)
@@ -91,8 +91,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.2.3)
       actionpack (= 5.2.3)
       activesupport (= 5.2.3)