diff --git a/manager/1.0/update-makefiles.sh b/manager/1.0/update-makefiles.sh
new file mode 100755
index 0000000..f054795
--- /dev/null
+++ b/manager/1.0/update-makefiles.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if [ ! -d system/libhidl ] ; then
+  echo "Where is system/libhidl?";
+  exit 1;
+fi
+
+hidl-gen -Lmakefile -r android.hidl:system/libhidl android.hidl.manager@1.0
+hidl-gen -Landroidbp -r android.hidl:system/libhidl android.hidl.manager@1.0
\ No newline at end of file