diff --git a/private/untrusted_app_all.te b/private/untrusted_app_all.te
index d8e0b14..769ddb0 100644
--- a/private/untrusted_app_all.te
+++ b/private/untrusted_app_all.te
@@ -168,3 +168,8 @@
   allow untrusted_app_all debugfs_kcov:file rw_file_perms;
   allowxperm untrusted_app_all debugfs_kcov:file ioctl { KCOV_INIT_TRACE KCOV_ENABLE KCOV_DISABLE };
 ')
+
+# Allow signalling simpleperf domain, which is the domain that the simpleperf
+# profiler runs as when executed by the app. The signals are used to control
+# the profiler (which would be profiling the app that is sending the signal).
+allow untrusted_app_all simpleperf:process signal;