diff --git a/mozjs102.changes b/mozjs102.changes
index ecfaf1f..e56f050 100644
--- a/mozjs102.changes
+++ b/mozjs102.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Wed Apr 26 01:51:01 UTC 2023 - Yifan Jiang <yfjiang@suse.com>
+
+- Add missing copyright in the spec to claim:
+  + Frantisek Zatloukal's work from:
+    https://src.fedoraproject.org/rpms/mozjs102/blob/rawhide/f/mozjs102.spec
+  + Wolfgang Rosenauer's work from:
+    https://build.opensuse.org/package/view_file/openSUSE:Leap:42.3/mozjs38/mozjs38.spec?expand=1
+ 
 -------------------------------------------------------------------
 Wed Apr 12 03:13:05 UTC 2023 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/mozjs102.spec b/mozjs102.spec
index ae0121c..2028f48 100644
--- a/mozjs102.spec
+++ b/mozjs102.spec
@@ -2,6 +2,8 @@
 # spec file
 #
 # Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2023 Frantisek Zatloukal <fzatlouk@redhat.com>
+# Copyright (c) 2014 Wolfgang Rosenauer
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed