diff --git a/ttf-converter.changes b/ttf-converter.changes
index 1ca1548..b7e507c 100644
--- a/ttf-converter.changes
+++ b/ttf-converter.changes
@@ -1,3 +1,20 @@
+-------------------------------------------------------------------
+Fri Feb  2 06:34:59 UTC 2024 - Antonio Larrosa <alarrosa@suse.com>
+
+- Fix for SLE 15 where %primary_python is not defined.
+
+-------------------------------------------------------------------
+Thu Feb  1 13:23:03 UTC 2024 - Antonio Larrosa <alarrosa@suse.com>
+
+- Reduce the BuildRequires from python3 to just python-rpm-macros
+  and Require: %{primary_python}-base instead of python3-base
+  which might be off for a short time when %primary_python changes.
+
+-------------------------------------------------------------------
+Thu Feb  1 12:46:52 UTC 2024 - Antonio Larrosa <alarrosa@suse.com>
+
+- Use %python3_fix_shebang
+
 -------------------------------------------------------------------
 Thu Sep 28 11:16:39 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/ttf-converter.spec b/ttf-converter.spec
index ec6fc56..29ae6ac 100644
--- a/ttf-converter.spec
+++ b/ttf-converter.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ttf-converter
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,6 +16,9 @@
 #
 
 
+%if 0%{suse_version} < 1550
+%define primary_python python3
+%endif
 Name:           ttf-converter
 Version:        1.0.7
 Release:        0
@@ -23,10 +26,10 @@ Summary:        Python script that converts fonts to TrueType format
 License:        GPL-3.0-only
 URL:            https://github.com/antlarr-suse/ttf-converter
 Source:         ttf-converter-%{version}.tar.xz
-BuildRequires:  python3
+BuildRequires:  python-rpm-macros
+Requires:       %{primary_python}-base
 Requires:       fontforge
 Requires:       ftdump
-Requires:       python3-base
 BuildArch:      noarch
 
 %description
@@ -50,7 +53,8 @@ instead.
 
 %install
 mkdir -p %{buildroot}%{_bindir}
-cp ttf-converter %{buildroot}%{_bindir}
+install ttf-converter %{buildroot}%{_bindir}
+%python3_fix_shebang
 
 %files
 %license LICENSE