diff --git a/.github/workflows/appraisal_tests.yml b/.github/workflows/appraisal_tests.yml
index 2afa9305..c4157904 100644
--- a/.github/workflows/appraisal_tests.yml
+++ b/.github/workflows/appraisal_tests.yml
@@ -5,6 +5,7 @@ on:
     branches:
       - main
   pull_request:
+    types: [opened, synchronize, reopened]
 
 jobs:
   test:
diff --git a/Gemfile b/Gemfile
index 4ba9929a..e7cd3170 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ gemspec
 
 gem 'addressable'
 gem 'ammeter'
-gem 'appraisal'
+gem 'appraisal', "2.5.0"
 gem 'capybara'
 gem 'database_cleaner'
 gem 'erb_lint', require: false
diff --git a/gemfiles/rails_6.0.gemfile b/gemfiles/rails_6.0.gemfile
index 8896d145..10fb0196 100644
--- a/gemfiles/rails_6.0.gemfile
+++ b/gemfiles/rails_6.0.gemfile
@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 gem "addressable"
 gem "ammeter"
-gem "appraisal"
+gem "appraisal", "2.5.0"
 gem "capybara"
 gem "database_cleaner"
 gem "erb_lint", require: false
@@ -20,4 +20,3 @@ gem "railties", "~> 6.0.0"
 gem "net-smtp", require: false
 gem "psych", "< 4"
 
-gemspec path: "../"
diff --git a/gemfiles/rails_6.1.gemfile b/gemfiles/rails_6.1.gemfile
index 1db7a9f3..7f1d2c85 100644
--- a/gemfiles/rails_6.1.gemfile
+++ b/gemfiles/rails_6.1.gemfile
@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 gem "addressable"
 gem "ammeter"
-gem "appraisal"
+gem "appraisal", "2.5.0"
 gem "capybara"
 gem "database_cleaner"
 gem "erb_lint", require: false
@@ -18,5 +18,3 @@ gem "sqlite3"
 gem "timecop"
 gem "railties", "~> 6.1.0"
 gem "net-smtp", require: false
-
-gemspec path: "../"
diff --git a/gemfiles/rails_7.0.gemfile b/gemfiles/rails_7.0.gemfile
index 349636f7..bee15f53 100644
--- a/gemfiles/rails_7.0.gemfile
+++ b/gemfiles/rails_7.0.gemfile
@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 gem "addressable"
 gem "ammeter"
-gem "appraisal"
+gem "appraisal", "2.5.0"
 gem "capybara"
 gem "database_cleaner"
 gem "erb_lint", require: false
@@ -17,5 +17,3 @@ gem "shoulda-matchers"
 gem "sqlite3"
 gem "timecop"
 gem "railties", "~> 7.0.0"
-
-gemspec path: "../"
diff --git a/gemfiles/rails_7.1.gemfile b/gemfiles/rails_7.1.gemfile
index 8726d560..586dd897 100644
--- a/gemfiles/rails_7.1.gemfile
+++ b/gemfiles/rails_7.1.gemfile
@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 gem "addressable"
 gem "ammeter"
-gem "appraisal"
+gem "appraisal", "2.5.0"
 gem "capybara"
 gem "database_cleaner"
 gem "erb_lint", require: false
@@ -17,5 +17,3 @@ gem "shoulda-matchers"
 gem "sqlite3"
 gem "timecop"
 gem "railties", "~> 7.1.0"
-
-gemspec path: "../"