diff --git a/clang.spec b/clang.spec
index 0407710..d4f6494 100644
--- a/clang.spec
+++ b/clang.spec
@@ -78,7 +78,7 @@
 
 Name:		%pkg_name
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:~rc%{rc_ver}}
-Release:	4%{?dist}
+Release:	5%{?dist}
 Summary:	A C language family front-end for LLVM
 
 License:	NCSA
@@ -487,12 +487,14 @@ rm -Rvf %{buildroot}%{_includedir}/clang-tidy/
 ln -s %{_datadir}/clang/clang-format-diff.py %{buildroot}%{_bindir}/clang-format-diff
 
 %check
+# see rhbz#1994082
+sed -i -e "s/'ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH'/'ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH', 'SOURCE_DATE_EPOCH'/" test/lit.cfg.py
+
 %if !0%{?compat_build}
 # requires lit.py from LLVM utilities
 # FIXME: Fix failing ARM tests
-# FIXME: Don't require s390x checks due to: rhbz#1994082
-LD_LIBRARY_PATH=%{buildroot}/%{_libdir} %cmake_build --target check-all || \
-%ifarch %{arm} s390x
+SOURCE_DATE_EPOCH=1629181597 LD_LIBRARY_PATH=%{buildroot}/%{_libdir} %cmake_build --target check-all || \
+%ifarch %{arm}
 :
 %else
 false
@@ -583,6 +585,9 @@ false
 
 %endif
 %changelog
+* Tue Aug 17 2021 sguelton@redhat.com - 12.0.1-5
+- Force SOURCE_DATE_EPOCH, fix rhbz#1994082
+
 * Mon Aug 16 2021 Tom Stellard <tstellar@redhat.com> - 12.0.1-4
 - Don't requirest tests on s390x