diff --git a/python-google-api-core.changes b/python-google-api-core.changes
index 34982fe..6cdc02c 100644
--- a/python-google-api-core.changes
+++ b/python-google-api-core.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Mar  5 20:20:17 UTC 2024 - Robert Schweikert <rjschwei@suse.com>
+
+- Obsolete Python 3.6 build for SLE 15 SP4 and openSUSE Leap 15.4 and later
+
 -------------------------------------------------------------------
 Mon Feb 26 16:23:40 UTC 2024 - Robert Schweikert <rjschwei@suse.com>
 
diff --git a/python-google-api-core.spec b/python-google-api-core.spec
index c980958..17b7793 100644
--- a/python-google-api-core.spec
+++ b/python-google-api-core.spec
@@ -44,6 +44,9 @@ BuildRequires:  %{python_module pytz}
 BuildRequires:  %{python_module requests >= 2.18.0}
 BuildRequires:  %{python_module setuptools >= 40.3.0}
 BuildRequires:  %{python_module wheel}
+%if 0%{?sle_version} >= 150400
+Obsoletes:      python3-google-api-core < %{version}
+%endif
 # START TESTING SECTION
 %if %{with test}
 BuildRequires:  %{python_module google-api-core >= %{version}}