diff --git a/src/node_options.h b/src/node_options.h
index 40eae6f7f8f358..0b02733929682e 100644
--- a/src/node_options.h
+++ b/src/node_options.h
@@ -95,7 +95,7 @@ class EnvironmentOptions : public Options {
   bool experimental_modules = false;
   bool experimental_repl_await = false;
   bool experimental_vm_modules = false;
-  bool experimental_worker = false;
+  bool experimental_worker = true;
   bool expose_internals = false;
   std::string http_parser =
 #ifdef NODE_EXPERIMENTAL_HTTP_DEFAULT
diff --git a/test/parallel/test-bootstrap-modules.js b/test/parallel/test-bootstrap-modules.js
index 272dec40060624..ebc31ba9c2848e 100644
--- a/test/parallel/test-bootstrap-modules.js
+++ b/test/parallel/test-bootstrap-modules.js
@@ -9,7 +9,7 @@ const common = require('../common');
 const assert = require('assert');
 
 const isMainThread = common.isMainThread;
-const kMaxModuleCount = isMainThread ? 56 : 78;
+const kMaxModuleCount = isMainThread ? 57 : 78;
 
 assert(list.length <= kMaxModuleCount,
        `Total length: ${list.length}\n` + list.join('\n')