diff --git a/polkit.changes b/polkit.changes
index 2092c8b..e355e50 100644
--- a/polkit.changes
+++ b/polkit.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Jul 12 12:53:13 UTC 2024 - Martin Jambor <mjambor@suse.com>
+
+- Add -Wno-error=implicit-function-declaration to %optflags to
+  work-around an issue in mocklibc (which has been meanwhile removed
+  by upstream) with exactly this kind of issue.
+
 -------------------------------------------------------------------
 Fri Dec  8 22:20:51 UTC 2023 - Tobias Klausmann <tobias.klausmann@freenet.de>
 
diff --git a/polkit.spec b/polkit.spec
index 0ce0272..132f022 100644
--- a/polkit.spec
+++ b/polkit.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package polkit
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -158,6 +158,10 @@ This package provides the GObject Introspection bindings for PolicyKit.
 %autosetup -p1
 
 %build
+# Disabling of this error can hopefully be removed when syncing with
+# upstream which has removed mocklibc:
+%global optflags %{optflags} -Wno-error=implicit-function-declaration
+
 %meson                                     \
     -D session_tracking=libsystemd-login   \
     -D systemdsystemunitdir="%{_unitdir}"  \