diff --git a/.rubocop_gradual.lock b/.rubocop_gradual.lock
index 165d079..1656439 100644
--- a/.rubocop_gradual.lock
+++ b/.rubocop_gradual.lock
@@ -25,14 +25,14 @@
   "lib/turbo_tests/reporter.rb:1386902608": [
     [7, 5, 400, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 2092085575]
   ],
-  "lib/turbo_tests/runner.rb:1092969829": [
+  "lib/turbo_tests/runner.rb:3421474245": [
     [13, 5, 271, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 21989008],
     [20, 5, 1311, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 1925027850],
-    [216, 11, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
-    [234, 47, 6, "Style/GlobalStdStream: Use `$stderr` instead of `STDERR`.", 3356712163],
-    [236, 21, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
-    [245, 7, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
-    [305, 9, 6, "Style/GlobalStdStream: Use `$stdout` instead of `STDOUT`.", 3356722952]
+    [221, 11, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
+    [239, 47, 6, "Style/GlobalStdStream: Use `$stderr` instead of `STDERR`.", 3356712163],
+    [241, 21, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
+    [250, 7, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
+    [310, 9, 6, "Style/GlobalStdStream: Use `$stdout` instead of `STDOUT`.", 3356722952]
   ],
   "spec/cli_spec.rb:3990998076": [
     [1, 1, 30, "RSpec/SpecFilePathFormat: Spec path should end with `turbo_tests/cli*_spec.rb`.", 965721356],
diff --git a/lib/turbo_tests/runner.rb b/lib/turbo_tests/runner.rb
index f271d7c..6195da4 100644
--- a/lib/turbo_tests/runner.rb
+++ b/lib/turbo_tests/runner.rb
@@ -97,6 +97,8 @@ def run
         ParallelTests::RSpec::Runner.tests_with_size(@files, {}).size,
       ].min
 
+      options_file = [".rspec_parallel", "spec/parallel_spec.opts", "spec/spec.opts"].detect { |f| File.file?(f) }
+
       tests_in_groups =
         ParallelTests::RSpec::Runner.tests_in_groups(
           @files,
@@ -108,6 +110,7 @@ def run
 
       subprocess_opts = {
         record_runtime: @record_runtime,
+        options_file: options_file,
       }
 
       @reporter.report(tests_in_groups) do |_reporter|
@@ -151,7 +154,7 @@ def start_regular_subprocess(tests, process_id, **opts)
       )
     end
 
-    def start_subprocess(env, extra_args, tests, process_id, record_runtime:)
+    def start_subprocess(env, extra_args, tests, process_id, record_runtime:, options_file:)
       if tests.empty?
         @messages << {
           type: "exit",
@@ -188,6 +191,8 @@ def start_subprocess(env, extra_args, tests, process_id, record_runtime:)
           []
         end
 
+        spec_opts = ["-O", options_file] if options_file
+
         command = [
           *command_name,
           *extra_args,
@@ -195,9 +200,9 @@ def start_subprocess(env, extra_args, tests, process_id, record_runtime:)
           "--format",
           "TurboTests::JsonRowsFormatter",
           *record_runtime_options,
+          *spec_opts,
           *tests,
         ]
-        command.unshift(ENV["BUNDLE_BIN_PATH"], "exec") if ENV["BUNDLE_BIN_PATH"]
         command.unshift("nice") if @nice
 
         if @verbose