diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3ed397d9..f9d1161c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -25,12 +25,12 @@ commands:
         type: string
       rspec:
         type: string
-        default: ""
+        default: "latest"
     steps:
       - run:
           working_directory: << parameters.path >>
           command: |
-            if [[ "<< parameters.rspec >>" != "" ]]; then
+            if [[ "<< parameters.rspec >>" != "latest" ]]; then
               sed -i 's/.*gem.*rspec-core.*/gem "rspec-core", "<< parameters.rspec >>"/g' ./Gemfile
               echo "Updated RSpec version in Gemfile"
             fi
@@ -80,7 +80,7 @@ jobs:
       - checkout
       - run:
           command: |
-            if [[ "<< parameters.rspec >>" != "" ]]; then
+            if [[ "<< parameters.rspec >>" != "latest" ]]; then
               sed -i 's/.*gem.*rspec-core.*/gem "rspec-core", "<< parameters.rspec >>"/g' ./Gemfile
               echo "Updated RSpec version in Gemfile"
             fi
@@ -103,7 +103,7 @@ jobs:
             ruby --version
             bundle exec rspec --version
             RSPEC=$(bundle exec rspec --version | grep rspec-core | head -n1 | cut -d " " -f5)
-            [ $RSPEC != << parameters.rspec >> ] && exit 1 || echo "Correct version of RSpec installed: $RSPEC"
+            [ "<< parameters.rspec >>" != "latest" ] && [ $RSPEC != << parameters.rspec >> ] && exit 1 || echo "Correct version of RSpec installed: << parameters.rspec >>"
       - run: bundle exec rspec spec/integration/runners/queue/rspec_runner_spec.rb
 
   e2e-regular-rspec:
@@ -143,7 +143,7 @@ jobs:
             ruby --version
             bundle exec rspec --version
             RSPEC=$(bundle exec rspec --version | grep rspec-core | head -n1 | cut -d " " -f5)
-            [ $RSPEC != << parameters.rspec >> ] && exit 1 || echo "Correct version of RSpec installed: $RSPEC"
+            [ "<< parameters.rspec >>" != "latest" ] && [ $RSPEC != << parameters.rspec >> ] && exit 1 || echo "Correct version of RSpec installed: << parameters.rspec >>"
       - run:
           working_directory: ~/knapsack_pro-ruby/rails-app-with-knapsack_pro
           command: bin/rails db:setup
@@ -239,7 +239,7 @@ jobs:
             ruby --version
             bundle exec rspec --version
             RSPEC=$(bundle exec rspec --version | grep rspec-core | head -n1 | cut -d " " -f5)
-            [ $RSPEC != << parameters.rspec >> ] && exit 1 || echo "Correct version of RSpec installed: $RSPEC"
+            [ "<< parameters.rspec >>" != "latest" ] && [ $RSPEC != << parameters.rspec >> ] && exit 1 || echo "Correct version of RSpec installed: << parameters.rspec >>"
       - run:
           working_directory: ~/knapsack_pro-ruby/rails-app-with-knapsack_pro
           command: bin/rails db:setup
@@ -442,19 +442,19 @@ workflows:
           matrix:
             parameters:
               ruby: ["3.2", "3.3", "3.4"]
-              rspec: ["3.12.3", "3.13.3"]
+              rspec: ["3.12.3", "latest"]
       - e2e-regular-rspec:
           name: e2e-regular__ruby-<< matrix.ruby >>__rspec-<< matrix.rspec >>
           matrix:
             parameters:
               ruby: ["3.2", "3.3", "3.4"]
-              rspec: ["3.12.3", "3.13.3"]
+              rspec: ["3.12.3", "latest"]
       - e2e-queue-rspec:
           name: e2e-queue__ruby-<< matrix.ruby >>__rspec-<< matrix.rspec >>
           matrix:
             parameters:
               ruby: ["3.2", "3.3", "3.4"]
-              rspec: ["3.12.3", "3.13.3"]
+              rspec: ["3.12.3", "latest"]
       - e2e-regular-minitest:
           name: e2e-regular__ruby-<< matrix.ruby >>__minitest
           matrix:
diff --git a/knapsack_pro.gemspec b/knapsack_pro.gemspec
index 8f0254ec..997feef9 100644
--- a/knapsack_pro.gemspec
+++ b/knapsack_pro.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'ostruct', '>= 0.6.0'
   spec.add_development_dependency 'pry', '~> 0'
   spec.add_development_dependency 'rspec', '~> 3.0'
-  spec.add_development_dependency 'rspec-its', '~> 1.3'
+  spec.add_development_dependency 'rspec-its'
   spec.add_development_dependency 'spinach', '>= 0.8'
   spec.add_development_dependency 'test-unit', '>= 3.0.0'
   spec.add_development_dependency 'timecop', '>= 0.9.9'
diff --git a/rails-app-with-knapsack_pro/Gemfile b/rails-app-with-knapsack_pro/Gemfile
index 2eb9e61a..b9c2bfe8 100644
--- a/rails-app-with-knapsack_pro/Gemfile
+++ b/rails-app-with-knapsack_pro/Gemfile
@@ -92,10 +92,10 @@ group :test do
   gem 'rails-controller-testing'
 
   if ENV['KNAPSACK_PRO_RSPEC_DISABLED'] != 'true'
+    # gem 'rspec-core'
     gem 'rspec-rails'
-    gem 'rspec_junit_formatter'
     gem 'rspec-retry'
-    # gem 'rspec-core'
+    gem 'rspec_junit_formatter'
     gem 'async-rspec', require: false
   end