diff --git config/system-headers config/system-headers
index 8803150..ae38d68 100644
--- mozilla/config/system-headers
+++ mozilla/config/system-headers
@@ -1159,3 +1159,4 @@ unicode/ustring.h
 #endif
 libutil.h
 unwind.h
+cairo-qt.h
diff --git config/system-headers config/system-headers
index 8803150..ae38d68 100644
--- mozilla/js/src/config/system-headers
+++ mozilla/js/src/config/system-headers
@@ -1159,3 +1159,4 @@ unicode/ustring.h
 #endif
 libutil.h
 unwind.h
+cairo-qt.h