diff --git a/.gitignore b/.gitignore
index dd5a1d4431db..04c7cecee543 100644
--- a/.gitignore
+++ b/.gitignore
@@ -83,7 +83,6 @@ package-lock.json
 *.js.meta
 
 /coverage
-/third-party
 
 # Test Reports
 /reports
@@ -152,7 +151,6 @@ vendor/
 /packages/react-native/sdks/hermes-engine/hermes-engine-from-local-source-dir.tar.gz
 
 # iOS prebuilds
-/packages/react-native/third-party/
 fix_*.patch
 *.xcframework
 
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000000..1fb398815dc9
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "packages/react-native/third-party/yoga"]
+	path = packages/react-native/third-party/yoga
+	url = https://github.com/facebook/yoga.git
+[submodule "packages/react-native/third-party/hermes"]
+	path = packages/react-native/third-party/hermes
+	url = https://github.com/facebook/hermes.git
diff --git a/packages/react-native/third-party/hermes b/packages/react-native/third-party/hermes
new file mode 160000
index 000000000000..657380912e05
--- /dev/null
+++ b/packages/react-native/third-party/hermes
@@ -0,0 +1 @@
+Subproject commit 657380912e05dda0dda49a9e1204f9166442d737
diff --git a/packages/react-native/third-party/yoga b/packages/react-native/third-party/yoga
new file mode 160000
index 000000000000..9dff914393fb
--- /dev/null
+++ b/packages/react-native/third-party/yoga
@@ -0,0 +1 @@
+Subproject commit 9dff914393fb9db6bb98547a3463b0da7804ed01