diff --git a/Appraisals b/Appraisals
index e070976..ab39ede 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 appraise 'rails60-administrate' do # latest administrate
+  gem 'psych', '~> 3.0'
   gem 'rails', '~> 6.0.0'
   gem "selenium-webdriver", "4.1.0", require: false # Fix
 end
diff --git a/gemfiles/rails60_administrate.gemfile b/gemfiles/rails60_administrate.gemfile
index 1190e49..4bf88ed 100644
--- a/gemfiles/rails60_administrate.gemfile
+++ b/gemfiles/rails60_administrate.gemfile
@@ -2,6 +2,7 @@
 
 source "https://rubygems.org"
 
+gem "psych", "~> 3.0"
 gem "rails", "~> 6.0.0"
 gem "selenium-webdriver", "4.1.0", require: false
 
diff --git a/gemfiles/rails60_administrate.gemfile.lock b/gemfiles/rails60_administrate.gemfile.lock
index ea831be..55aaa3a 100644
--- a/gemfiles/rails60_administrate.gemfile.lock
+++ b/gemfiles/rails60_administrate.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    administrate_ransack (0.5.0)
+    administrate_ransack (0.5.1)
       administrate (~> 0.18)
       ransack (~> 2.3)
 
@@ -171,6 +171,7 @@ GEM
       method_source (~> 1.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
+    psych (3.3.4)
     public_suffix (5.0.3)
     puma (6.3.1)
       nio4r (~> 2.0)
@@ -324,6 +325,7 @@ DEPENDENCIES
   cuprite
   fasterer
   pry-rails
+  psych (~> 3.0)
   puma
   rails (~> 6.0.0)
   rails-controller-testing
diff --git a/gemfiles/rails61_administrate.gemfile.lock b/gemfiles/rails61_administrate.gemfile.lock
index 071c19a..e6114e3 100644
--- a/gemfiles/rails61_administrate.gemfile.lock
+++ b/gemfiles/rails61_administrate.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    administrate_ransack (0.5.0)
+    administrate_ransack (0.5.1)
       administrate (~> 0.18)
       ransack (~> 2.3)
 
diff --git a/gemfiles/rails70_administrate.gemfile.lock b/gemfiles/rails70_administrate.gemfile.lock
index 461ce4b..8b78c08 100644
--- a/gemfiles/rails70_administrate.gemfile.lock
+++ b/gemfiles/rails70_administrate.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    administrate_ransack (0.5.0)
+    administrate_ransack (0.5.1)
       administrate (~> 0.18)
       ransack (~> 2.3)
 
diff --git a/lib/administrate_ransack/version.rb b/lib/administrate_ransack/version.rb
index 5669c06..2600a34 100644
--- a/lib/administrate_ransack/version.rb
+++ b/lib/administrate_ransack/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module AdministrateRansack
-  VERSION = '0.5.0'
+  VERSION = '0.5.1'
 end