diff --git a/contrib/gana b/contrib/gana
index 0272caa8f..efb2a1fd6 160000
--- a/contrib/gana
+++ b/contrib/gana
@@ -1 +1 @@
-Subproject commit 0272caa8ff8ee7553d035d29fb19d01866df43e4
+Subproject commit efb2a1fd64e17159c56ff3674083837b5a657a64
diff --git a/debian/changelog b/debian/changelog
index 7c181b239..21d0395a4 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+taler-exchange (0.8.4-1) unstable; urgency=low
+
+  * Updated GANA.
+
+ -- Florian Dold <dold@taler.net>  Thu, 26 Aug 2021 16:37:33 +0200
+
 taler-exchange (0.8.4) unstable; urgency=low
 
   * Official release of GNU Taler exchange 0.8.4.