diff --git a/Gemfile.lock b/Gemfile.lock
index 4657e0d..5a0e49c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,8 @@
 PATH
   remote: .
   specs:
-    turbo_tests (2.2.0)
+    turbo_tests (2.2.1)
+      json (~> 2.3)
       parallel_tests (>= 3.3.0, < 5)
       rspec (>= 3.10)
 
@@ -10,6 +11,7 @@ GEM
   specs:
     coderay (1.1.3)
     diff-lcs (1.5.0)
+    json (2.7.2)
     method_source (1.0.0)
     parallel (1.22.1)
     parallel_tests (4.2.0)
diff --git a/lib/turbo_tests.rb b/lib/turbo_tests.rb
index d90a04b..ff1a6f1 100644
--- a/lib/turbo_tests.rb
+++ b/lib/turbo_tests.rb
@@ -2,6 +2,7 @@
 
 require "open3"
 require "fileutils"
+require "ostruct"
 require "json"
 require "rspec"
 
diff --git a/lib/turbo_tests/version.rb b/lib/turbo_tests/version.rb
index 8edc369..554f6de 100644
--- a/lib/turbo_tests/version.rb
+++ b/lib/turbo_tests/version.rb
@@ -1,3 +1,3 @@
 module TurboTests
-  VERSION = "2.2.0"
+  VERSION = "2.2.1"
 end
diff --git a/lib/utils/hash_extension.rb b/lib/utils/hash_extension.rb
index 6815468..16ad7cb 100644
--- a/lib/utils/hash_extension.rb
+++ b/lib/utils/hash_extension.rb
@@ -6,4 +6,4 @@ def to_struct
       end)
     end
   end
-end
\ No newline at end of file
+end
diff --git a/turbo_tests.gemspec b/turbo_tests.gemspec
index 52064e1..7190410 100644
--- a/turbo_tests.gemspec
+++ b/turbo_tests.gemspec
@@ -21,6 +21,7 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "rspec", ">= 3.10"
   spec.add_dependency "parallel_tests", ">= 3.3.0", "< 5"
+  spec.add_dependency "json", "~> 2.3"
 
   spec.add_development_dependency "pry", "~> 0.14"