diff --git a/debian/changelog b/debian/changelog
index 2cad40e7e6318fb3e500164d2cd4b294085e1f2f..d9d74cee5cc37b2087729e5b29f7b4821b900d80 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+async-http-client (2.12.3-2) UNRELEASED; urgency=medium
+
+  * Remove constraints unnecessary since buster (oldstable):
+    + Build-Depends: Drop versioned constraint on libnetty-java and
+      maven-debian-helper.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Wed, 16 Nov 2022 02:01:07 -0000
+
 async-http-client (2.12.3-1) unstable; urgency=medium
 
   * New upstream release
diff --git a/debian/control b/debian/control
index 5accb95bb190f94a0cfa641c37c00d4f37e110c7..635adb2bbd7ada0778d7676ef460df1506f62f6f 100644
--- a/debian/control
+++ b/debian/control
@@ -8,11 +8,11 @@ Build-Depends:
  default-jdk,
  libactivation-java,
  libmaven-bundle-plugin-java,
- libnetty-java (>= 1:4.1.29),
+ libnetty-java,
  libnetty-reactive-streams-java,
  libreactive-streams-java,
  libslf4j-java,
- maven-debian-helper (>= 2.2),
+ maven-debian-helper,
  libhamcrest-java
 Standards-Version: 4.6.0.1
 Rules-Requires-Root: no