diff --git a/src/bluetooth.service.in b/src/bluetooth.service.in
index 4daedef..f188018 100644
--- a/src/bluetooth.service.in
+++ b/src/bluetooth.service.in
@@ -22,9 +22,15 @@ ProtectControlGroups=true
 ReadWritePaths=@statedir@
 ReadOnlyPaths=@confdir@
 
+# Execute Mappings
+MemoryDenyWriteExecute=true
+
 # Privilege escalation
 NoNewPrivileges=true
 
+# Real-time
+RestrictRealtime=true
+
 [Install]
 WantedBy=bluetooth.target
 Alias=dbus-org.bluez.service