diff --git a/debian/changelog b/debian/changelog
index 2da9921..8982fa3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+crossguid (0.0+git200150803-4) unstable; urgency=medium
+
+  * Mark a symbol optional that disappears on ppc64el with -O3 (Closes: #905579)
+
+ -- Balint Reczey <rbalint@ubuntu.com>  Tue, 07 Aug 2018 08:09:47 +0400
+
 crossguid (0.0+git200150803-3) unstable; urgency=medium
 
   [ Helmut Grohne ]