diff --git a/changelog.d/12337.feature b/changelog.d/12337.feature
new file mode 100644
index 0000000000..6c4444c707
--- /dev/null
+++ b/changelog.d/12337.feature
@@ -0,0 +1 @@
+Use poetry to manage Synapse's dependencies.
\ No newline at end of file
diff --git a/debian/changelog b/debian/changelog
index 3c899e6024..1e463cf2ed 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+matrix-synapse-py3 (1.55.2+nmu1) UNRELEASED; urgency=medium
+
+  * Non-maintainer upload.
+  * Use poetry to manage the bundled virtualenv included with this package.
+
+ -- Synapse Packaging Team <packages@matrix.org>  Wed, 30 Mar 2022 12:21:43 +0100
+
 matrix-synapse-py3 (1.55.2) stable; urgency=medium
 
   * New synapse release 1.55.2.