diff --git a/debian/changelog b/debian/changelog
index ce78a3d..df3a95b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -7,6 +7,7 @@
   * d/control: use dh-compat and upgrade to dh13.
   * d/control: Standards-Version update to 4.5.1. Add Rules-Requires-Root.
   * d/control: move to the Clojure Team and updater VCS fields.
+  * d/watch: update to v4 and migrate to git mode.
 
  -- Louis-Philippe Véronneau <pollo@debian.org>  Mon, 14 Dec 2020 11:13:44 -0500
 
diff --git a/debian/watch b/debian/watch
index b2dd164..39ca30f 100644
--- a/debian/watch
+++ b/debian/watch
@@ -1,2 +1,4 @@
-version=3
-https://github.com/clojure/java.classpath/tags .*\-([\d\.]+)\.tar\.gz
+version=4
+opts="mode=git, uversionmangle=s/java.classpath-\.//" \
+https://github.com/clojure/java.classpath.git \
+refs/tags/(java.classpath-)?([\d\.]+)