diff --git a/.gitmodules b/.gitmodules
index e28f3669..f1abd72b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,3 +18,7 @@
 	path = third_party/depot_tools
 	url = https://chromium.googlesource.com/chromium/tools/depot_tools.git
 	branch = main
+[submodule "third_party/ukey2/ukey2"]
+	path = third_party/ukey2/ukey2
+	url = https://github.com/google/ukey2
+	branch = master
diff --git a/third_party/ukey2/ukey2 b/third_party/ukey2/ukey2
new file mode 160000
index 00000000..c2436e55
--- /dev/null
+++ b/third_party/ukey2/ukey2
@@ -0,0 +1 @@
+Subproject commit c2436e55116964d88532080784f6ed496b0d11f9