diff --git a/debian/changelog b/debian/changelog
index 111f2e5..0a54dfe 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+ognibuild (0.0.2-2) UNRELEASED; urgency=medium
+
+  * Add missing dependency on python3-lz4.
+
+ -- Jelmer Vernooij <jelmer@debian.org>  Wed, 03 Mar 2021 16:42:28 +0000
+
 ognibuild (0.0.2-1) unstable; urgency=medium
 
   * New upstream release.
diff --git a/debian/control b/debian/control
index 5276853..4a431f9 100644
--- a/debian/control
+++ b/debian/control
@@ -9,6 +9,7 @@ Build-Depends: debhelper-compat (= 12),
                python3-buildlog-consultant,
                python3-requirement-parser,
                python3-debmutate,
+               python3-lz4,
                python3-setuptools,
                lintian-brush,
                brz-debian
@@ -26,6 +27,7 @@ Depends: python3-apt,
          python3-breezy,
          python3-buildlog-consultant,
          python3-debmutate,
+         python3-lz4,
          python3-requirement-parser,
          ${misc:Depends},
          ${python3:Depends},