diff --git a/packages/rn-tester/Podfile b/packages/rn-tester/Podfile
index 781a29eebbc6c0..5fe1b46b3a6b4e 100644
--- a/packages/rn-tester/Podfile
+++ b/packages/rn-tester/Podfile
@@ -87,7 +87,7 @@ end
 
 target 'RNTester-macOS' do
   platform :osx, '10.15'
-  pods(:hermes_enabled => false)
+  pods()
 end
 
 target 'RNTester-macOSUnitTests' do
diff --git a/packages/rn-tester/RNTester-macOS/AppDelegate.mm b/packages/rn-tester/RNTester-macOS/AppDelegate.mm
index 77a7d7d89e0843..372ae3fac63112 100644
--- a/packages/rn-tester/RNTester-macOS/AppDelegate.mm
+++ b/packages/rn-tester/RNTester-macOS/AppDelegate.mm
@@ -8,8 +8,21 @@
 
 #import "AppDelegate.h"
 
-#import <React/CoreModulesPlugins.h>
+#ifndef RCT_USE_HERMES
+#if __has_include(<reacthermes/HermesExecutorFactory.h>)
+#define RCT_USE_HERMES 1
+#else
+#define RCT_USE_HERMES 0
+#endif
+#endif
+
+#if RCT_USE_HERMES
+#import <reacthermes/HermesExecutorFactory.h>
+#else
 #import <React/JSCExecutorFactory.h>
+#endif
+
+#import <React/CoreModulesPlugins.h>
 #import <React/RCTBridge.h>
 #import <React/RCTBundleURLProvider.h>
 #import <React/RCTCxxBridgeDelegate.h>
@@ -106,7 +119,11 @@ - (NSURL *)sourceURLForBridge:(__unused RCTBridge *)bridge
 #endif
 
   __weak __typeof(self) weakSelf = self;
+#if RCT_USE_HERMES
+  return std::make_unique<facebook::react::HermesExecutorFactory>(
+#else
   return std::make_unique<facebook::react::JSCExecutorFactory>(
+#endif
       facebook::react::RCTJSIExecutorRuntimeInstaller([weakSelf, bridge](facebook::jsi::Runtime &runtime) {
         if (!bridge) {
           return;