diff --git a/python-Flask-Babel.changes b/python-Flask-Babel.changes
index 80c9709..4c51f7a 100644
--- a/python-Flask-Babel.changes
+++ b/python-Flask-Babel.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Sep 15 06:13:30 UTC 2025 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Use poetry-core, rather than poetry as the build-system.
+
 -------------------------------------------------------------------
 Sun Sep  8 12:49:17 UTC 2024 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-Flask-Babel.spec b/python-Flask-Babel.spec
index 2910179..7ef4201 100644
--- a/python-Flask-Babel.spec
+++ b/python-Flask-Babel.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-Flask-Babel
 #
-# Copyright (c) 2024 SUSE LLC
+# Copyright (c) 2025 SUSE LLC and contributors
 # Copyright (c) 2014 Dr. Axel Braun
 #
 # All modifications and additions to the file contributed by third parties
@@ -30,7 +30,7 @@ BuildRequires:  %{python_module Flask >= 2.0}
 BuildRequires:  %{python_module Jinja2 >= 3.1}
 BuildRequires:  %{python_module base >= 3.7}
 BuildRequires:  %{python_module pip}
-BuildRequires:  %{python_module poetry}
+BuildRequires:  %{python_module poetry-core}
 BuildRequires:  %{python_module pytest-mock}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module pytz >= 2022.7}