diff --git a/debian/changelog b/debian/changelog
index 8041fde3d9083a9708ef22c0ae77c4d6c923da2c..d5fded5b60ebf7e30d76c6d070b5987c09170919 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,8 @@
 python-aiostream (0.4.1-3) UNRELEASED; urgency=medium
 
   * Set upstream metadata fields: Bug-Database, Bug-Submit.
+  * Remove constraints unnecessary since buster:
+    + Build-Depends: Drop versioned constraint on python3-all.
 
  -- Debian Janitor <janitor@jelmer.uk>  Sat, 11 Sep 2021 07:47:41 -0000
 
diff --git a/debian/control b/debian/control
index cbcf0769408d384ee41b6046421fff457f596317..d895fd8b1396cbbe2e5974ef620610ccaae8b503 100644
--- a/debian/control
+++ b/debian/control
@@ -6,7 +6,7 @@ Uploaders: Debian Python Team <team+python@tracker.debian.org>
 Build-Depends:
 	debhelper-compat (= 13),
 	dh-python,
-	python3-all (>= 3.7),
+	python3-all,
 	python3-pytest-asyncio,
 	python3-pytest-runner
 Standards-Version: 4.5.1