diff --git a/debian/changelog b/debian/changelog
index 51142e3e8..94f16d567 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+python-gammu (3.2.4-2) UNRELEASED; urgency=medium
+
+ * Remove constraints unnecessary since buster (oldstable):
+ + Build-Depends: Drop versioned constraint on libgammu-dev (>= 1.37.90).
+
+ -- Debian Janitor <janitor@jelmer.uk> Wed, 15 Feb 2023 12:23:44 -0000
+
python-gammu (3.2.4-1) unstable; urgency=medium
[ Stefano Rivera ]
diff --git a/debian/control b/debian/control
index c09354bb7..36a0eb8c1 100644
--- a/debian/control
+++ b/debian/control
@@ -6,7 +6,7 @@ Priority: optional
Build-Depends: python3-setuptools,
python3-all-dev,
debhelper-compat (= 13),
- libgammu-dev (>= 1.37.90),
+ libgammu-dev,
pkg-config,
libdbd-sqlite3,
dh-python