diff --git a/libsystemd-daemon/compat.sym b/libsystemd-daemon/compat.sym
index 2535268..7730304 100644
--- a/libsystemd-daemon/compat.sym
+++ b/libsystemd-daemon/compat.sym
@@ -25,4 +25,8 @@
 LIBSYSTEMD_DAEMON_31 {
 	global:
 		sd_booted;
+		sd_listen_fds;
+		sd_is_socket;
+		sd_notify;
+		sd_notifyf;
 };
diff --git a/libsystemd/compat.sym b/libsystemd/compat.sym
index ba98671..71bb5d7 100644
--- a/libsystemd/compat.sym
+++ b/libsystemd/compat.sym
@@ -25,6 +25,10 @@
 LIBSYSTEMD_209 {
 	global:
 		sd_booted;
+		sd_listen_fds;
+		sd_is_socket;
+		sd_notify;
+		sd_notifyf;
 
 		sd_journal_printv;
 		sd_journal_print;