diff --git a/sepolicy/system_server.te b/sepolicy/system_server.te
new file mode 100644
index 0000000..1af6fc9
--- /dev/null
+++ b/sepolicy/system_server.te
@@ -0,0 +1,6 @@
+# For writing to /proc/<tid>/timerslack_ns (XXX - this is probably wrong)
+allow system_server priv_app:file write;
+allow system_server untrusted_app:file write;
+allow system_server platform_app:file write;
+allow system_server system_app:file write;
+allow system_server isolated_app:file write;