diff --git a/python-poetry-core.changes b/python-poetry-core.changes
index ce77082..f7f1a96 100644
--- a/python-poetry-core.changes
+++ b/python-poetry-core.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Jan 10 10:23:44 UTC 2025 - Ben Greiner <code@bnavigator.de>
+
+- Unset source date epoch for tests
+
 -------------------------------------------------------------------
 Fri Jan 10 03:12:41 UTC 2025 - Steve Kowalik <steven.kowalik@suse.com>
 
diff --git a/python-poetry-core.spec b/python-poetry-core.spec
index 2e697d7..b0db9b0 100644
--- a/python-poetry-core.spec
+++ b/python-poetry-core.spec
@@ -67,10 +67,9 @@ cp -p src/poetry/core/_vendor/tomli/LICENSE             vendoredlicenses/tomli.L
 %check
 # gh#python-poetry/poetry#1645
 git init
-# date time issues -- wheel gets built with the current time
-donttest="test_dist_info_date_time_default_value or test_sdist_mtime_zero "
-donttest+="or test_sdist_members_mtime_default"
-%pytest -k "not ($donttest)"
+# tests expect the default 2016-01-01 for test builds, not the epoch set by OBS (serverside)
+unset SOURCE_DATE_EPOCH
+%pytest
 
 %files %{python_files}
 %doc README.md