diff --git a/Appraisals b/Appraisals
index 5cb2556e..ec91ea08 100644
--- a/Appraisals
+++ b/Appraisals
@@ -41,7 +41,13 @@ appraisals = {
     proc do |with_rails|
       version = [">= 3.10", "< 4"]
 
-      gem "rspec", *version
+      # gem "rspec", *version
+
+      gem "rspec", "3.12.0"
+      gem "rspec-core", "3.12.0"
+      gem "rspec-expectations", "3.12.3"
+      gem "rspec-mocks", "3.12.0"
+      gem "rspec-support", "3.12.0"
 
       gem "rspec-rails" if with_rails
     end
diff --git a/gemfiles/no_rails_rspec_gte_3_10.gemfile b/gemfiles/no_rails_rspec_gte_3_10.gemfile
index 3d26c8ef..3d8d9047 100644
--- a/gemfiles/no_rails_rspec_gte_3_10.gemfile
+++ b/gemfiles/no_rails_rspec_gte_3_10.gemfile
@@ -14,6 +14,10 @@ gem "syntax_tree"
 gem "syntax_tree-haml"
 gem "syntax_tree-rbs"
 gem "warnings_logger"
-gem "rspec", ">= 3.10", "< 4"
+gem "rspec", "3.12.0"
+gem "rspec-core", "3.12.0"
+gem "rspec-expectations", "3.12.3"
+gem "rspec-mocks", "3.12.0"
+gem "rspec-support", "3.12.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_6_0_rspec_gte_3_10.gemfile b/gemfiles/rails_6_0_rspec_gte_3_10.gemfile
index 2651bb8f..c6bed33b 100644
--- a/gemfiles/rails_6_0_rspec_gte_3_10.gemfile
+++ b/gemfiles/rails_6_0_rspec_gte_3_10.gemfile
@@ -20,7 +20,11 @@ gem "net-ftp"
 gem "combustion"
 gem "rails", "~> 6.0.0"
 gem "sqlite3", "~> 1.4.0", platform: [:ruby, :mswin, :mingw]
-gem "rspec", ">= 3.10", "< 4"
+gem "rspec", "3.12.0"
+gem "rspec-core", "3.12.0"
+gem "rspec-expectations", "3.12.3"
+gem "rspec-mocks", "3.12.0"
+gem "rspec-support", "3.12.0"
 gem "rspec-rails"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_6_1_rspec_gte_3_10.gemfile b/gemfiles/rails_6_1_rspec_gte_3_10.gemfile
index 20d7982a..b399d12b 100644
--- a/gemfiles/rails_6_1_rspec_gte_3_10.gemfile
+++ b/gemfiles/rails_6_1_rspec_gte_3_10.gemfile
@@ -20,7 +20,11 @@ gem "net-ftp"
 gem "combustion"
 gem "rails", "~> 6.1.0"
 gem "sqlite3", "~> 1.4.0", platform: [:ruby, :mswin, :mingw]
-gem "rspec", ">= 3.10", "< 4"
+gem "rspec", "3.12.0"
+gem "rspec-core", "3.12.0"
+gem "rspec-expectations", "3.12.3"
+gem "rspec-mocks", "3.12.0"
+gem "rspec-support", "3.12.0"
 gem "rspec-rails"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7_0_rspec_gte_3_10.gemfile b/gemfiles/rails_7_0_rspec_gte_3_10.gemfile
index 93abe4dd..d86b3635 100644
--- a/gemfiles/rails_7_0_rspec_gte_3_10.gemfile
+++ b/gemfiles/rails_7_0_rspec_gte_3_10.gemfile
@@ -20,7 +20,11 @@ gem "net-ftp"
 gem "combustion"
 gem "rails", "~> 7.0.0"
 gem "sqlite3", "~> 1.4.0", platform: [:ruby, :mswin, :mingw]
-gem "rspec", ">= 3.10", "< 4"
+gem "rspec", "3.12.0"
+gem "rspec-core", "3.12.0"
+gem "rspec-expectations", "3.12.3"
+gem "rspec-mocks", "3.12.0"
+gem "rspec-support", "3.12.0"
 gem "rspec-rails"
 
 gemspec path: "../"