diff --git a/lua/neotest-pest/config.lua b/lua/neotest-pest/config.lua
index 2b930ce..1e7cc04 100644
--- a/lua/neotest-pest/config.lua
+++ b/lua/neotest-pest/config.lua
@@ -14,9 +14,9 @@ local M = {
         root_files = { "tests/Pest.php" },
         filter_dirs = { "vendor" },
         test_file_suffix = { "Test.php" },
-        autostart_sail = false,
         sail_executable = "vendor/bin/sail",
         pest_cmd = "vendor/bin/pest",
+        parallel = 0,
     },
 
     _sail_error = false,
@@ -34,6 +34,10 @@ function M.env.sail_enabled()
     return M.sail_available()
 end
 
+function M.env.is_parallel()
+    return M('parallel') > 0
+end
+
 function M.env.pest_cmd()
     if M('sail_enabled') then
         return { "vendor/bin/sail", "bin", "pest" }
diff --git a/lua/neotest-pest/init.lua b/lua/neotest-pest/init.lua
index 726d4a2..92006e3 100644
--- a/lua/neotest-pest/init.lua
+++ b/lua/neotest-pest/init.lua
@@ -137,6 +137,14 @@ function NeotestAdapter.build_spec(args)
         debug("Position type:", position.type)
     end
 
+    if config('is_parallel') then
+        command = vim.tbl_flatten({
+            command,
+            "--parallel",
+            config('parallel'),
+        })
+    end
+
     debug("Command:", command)
 
     return {