diff --git a/debian/changelog b/debian/changelog
index b8fdc33..8113e50 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@
   * Mark Multi-Arch: foreign (Closes: #982650)
     Thanks to Helmut Grohne for the hint.
   * Bump Standards-Version.
+  * Use watchfile version 4.
 
  -- Sascha Steinbiss <satta@debian.org>  Mon, 22 Feb 2021 09:18:16 +0100
 
diff --git a/debian/watch b/debian/watch
index ba8a8be..abb75e4 100644
--- a/debian/watch
+++ b/debian/watch
@@ -1,4 +1,4 @@
-version=3
+version=4
 opts=filenamemangle=s/.+\/v?(\d\S*)\.tar\.gz/golang-github-dcso-fluxline-\$1\.tar\.gz/,\
 uversionmangle=s/(\d)[_\.\-\+]?(RC|rc|pre|dev|beta|alpha)[.]?(\d*)$/\$1~\$2\$3/ \
   https://github.com/DCSO/fluxline/tags .*/v?(\d\S*)\.tar\.gz