diff --git a/vendor/debug_camera_app.te b/vendor/debug_camera_app.te
index 86394cf5..6474cb11 100644
--- a/vendor/debug_camera_app.te
+++ b/vendor/debug_camera_app.te
@@ -1,3 +1,4 @@
+# File containing sepolicies for GCA-Eng & GCA-Next.
 userdebug_or_eng(`
 	# Allows GCA-Eng & GCA-Next access the GXP device and properties.
 	allow debug_camera_app gxp_device:chr_file rw_file_perms;
@@ -9,4 +10,7 @@ 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;
+
+	# Allow 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 c572c26e..05aff08a 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;
+
+# Allow tachyon service to communicate with google_camera_app via binder.
+binder_call(edgetpu_tachyon_server, google_camera_app);