diff --git a/vendor/debug_camera_app.te b/vendor/debug_camera_app.te
index ddc4337..6c8a549 100644
--- a/vendor/debug_camera_app.te
+++ b/vendor/debug_camera_app.te
@@ -1,4 +1,8 @@
+# File containing sepolicies for GCA-Eng & GCA-Next.
 userdebug_or_eng(`
         # Allows GCA_Eng & GCA-Next to access the hw_jpeg /dev/video12.
         allow debug_camera_app hw_jpg_device:chr_file rw_file_perms;
-')
\ No newline at end of file
+
+	# Allows tachyon_service to communicate with GCA-Eng via binder.
+	binder_call(edgetpu_tachyon_server, debug_camera_app);
+')
diff --git a/vendor/google_camera_app.te b/vendor/google_camera_app.te
index c572c26..5c4c6f0 100644
--- a/vendor/google_camera_app.te
+++ b/vendor/google_camera_app.te
@@ -8,3 +8,6 @@ allow google_camera_app edgetpu_device:chr_file { getattr read write ioctl map }
 
 # Allows GCA to access the hw_jpeg /dev/video12.
 allow google_camera_app hw_jpg_device:chr_file rw_file_perms;
+
+# Allows tachyon service to communicate with google_camera_app via binder.
+binder_call(edgetpu_tachyon_server, google_camera_app);