diff -Nru libalog-0.6.1/debian/changelog libalog-0.6.1/debian/changelog
--- libalog-0.6.1/debian/changelog	2020-09-26 18:33:52.000000000 +0000
+++ libalog-0.6.1/debian/changelog	2020-12-19 14:56:52.000000000 +0000
@@ -1,3 +1,11 @@
+libalog (0.6.1-4) unstable; urgency=medium
+
+  * Reupload to unstable for gnat-10 transition.
+  * Standards-Version: 4.5.1.
+  * Remove extra signatures from public upstream signing  key.
+
+ -- Nicolas Boulenguez <nicolas@debian.org>  Sat, 19 Dec 2020 15:56:52 +0100
+
 libalog (0.6.1-3) experimental; urgency=medium
 
   * Rebuild with gcc-10. Rename lib and -dev accordingly.
diff -Nru libalog-0.6.1/debian/control libalog-0.6.1/debian/control
--- libalog-0.6.1/debian/control	2020-09-26 18:33:52.000000000 +0000
+++ libalog-0.6.1/debian/control	2020-12-19 14:56:48.000000000 +0000
@@ -17,7 +17,7 @@
  asciidoctor,
  ruby-pygments.rb,
  scour,
-Standards-Version: 4.5.0
+Standards-Version: 4.5.1
 Rules-Requires-Root: no
 Homepage: https://www.codelabs.ch/alog/
 Vcs-Git: https://git.codelabs.ch/git/alog.git -b debian
diff -Nru libalog-0.6.1/debian/upstream/signing-key.asc libalog-0.6.1/debian/upstream/signing-key.asc
--- libalog-0.6.1/debian/upstream/signing-key.asc	2020-09-26 18:33:52.000000000 +0000
+++ libalog-0.6.1/debian/upstream/signing-key.asc	2020-10-17 08:39:20.000000000 +0000
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