diff --git a/debian/libnotmuch5.symbols b/debian/libnotmuch5.symbols
index 308567b8..2ae73dad 100644
--- a/debian/libnotmuch5.symbols
+++ b/debian/libnotmuch5.symbols
@@ -1,4 +1,5 @@
 libnotmuch.so.5 libnotmuch5 #MINVER#
+* Build-Depends-Package: libnotmuch-dev
  notmuch_built_with@Base 0.23~rc0
  notmuch_config_list_destroy@Base 0.23~rc0
  notmuch_config_list_key@Base 0.23~rc0