diff --git a/python-dmidecode.spec b/python-dmidecode.spec
index 0c5849c..7484571 100644
--- a/python-dmidecode.spec
+++ b/python-dmidecode.spec
@@ -33,7 +33,7 @@ Patch2:         detect-lib-with-py3.patch
 # PATCH-FIX-UPSTREAM 31-version_info-v-version.patch gh#nima/python-dmidecode#31 mcepl@suse.com
 # use sys.version_info instead of sys.version
 Patch3:         31-version_info-v-version.patch
-Obsoletes:      %{oldpython}-dmidecode < %{version}-%{release}
+Obsoletes:      %{oldpython}-dmidecode <= 3.12.2+git.1625035095.f0a089a
 BuildRequires:  %{python_module devel}
 %if 0%{?sle_version} && 0%{?sle_version} < 150400
 BuildRequires:  python2-libxml2-python