diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 460da56..d254139 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@ name: Ruby CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [ master ]
   pull_request:
-    branches: [ main ]
+    branches: [ master ]
 
 jobs:
   test:
@@ -20,4 +20,4 @@ jobs:
       - name: Install dependencies
         run: bundle install
       - name: Run calculator tests
-        run: rspec ./spec/option_calculator_spec.rb
\ No newline at end of file
+        run: bundle exec rspec ./spec/option_calculator_spec.rb
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..7528e48
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,7 @@
+source "https://rubygems.org"
+
+gemspec
+
+group :test do
+  gem 'rspec'
+end
\ No newline at end of file
diff --git a/options_library.gemspec b/options_library.gemspec
index c1a989e..5aa8dd9 100644
--- a/options_library.gemspec
+++ b/options_library.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name = %q{options_library}
-  s.version = "1.0.3"
+  s.version = "2.0.0"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 1.2") if s.respond_to? :required_rubygems_version=
   s.authors = ["Dan Tylenda-Emmons"]