diff --git a/keymaster/4.0/support/Android.bp b/keymaster/4.0/support/Android.bp
index d5c0b5e..6b8dcdc 100644
--- a/keymaster/4.0/support/Android.bp
+++ b/keymaster/4.0/support/Android.bp
@@ -35,6 +35,7 @@
         "android.hardware.keymaster@4.0",
         "libbase",
         "libcrypto",
+        "libhardware",
         "libhidlbase",
         "libhidltransport",
         "libutils",