diff --git a/mold.changes b/mold.changes
index f47c9be..374ba20 100644
--- a/mold.changes
+++ b/mold.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Apr 20 06:50:40 UTC 2022 - Martin Liška <mliska@suse.cz>
+
+- Run test serially.
+- Install some packages in order to increase test coverage.
+
 -------------------------------------------------------------------
 Tue Apr 19 06:43:50 UTC 2022 - Martin Liška <mliska@suse.cz>
 
diff --git a/mold.spec b/mold.spec
index 0243e70..8315e44 100644
--- a/mold.spec
+++ b/mold.spec
@@ -26,10 +26,13 @@ Source:         https://github.com/rui314/mold/archive/v%{version}/mold-%{versio
 Patch0:         fix-gdb-index.patch
 BuildRequires:  cmake
 %if %{suse_version} < 1550
+BuildRequires:  gcc10-32bit
 BuildRequires:  gcc10-c++
 %else
 # These libraries are not present for openSUSE Leap
 BuildRequires:  gcc-c++
+BuildRequires:  clang
+BuildRequires:  gcc-32bit
 BuildRequires:  libdwarf-tools
 BuildRequires:  mimalloc-devel
 BuildRequires:  tbb-devel
@@ -86,7 +89,7 @@ LIBEXECDIR=%{_libexecdir} \
 %{build_args}
 
 %check
-%make_build test -e \
+make test -e \
 PREFIX=%{_prefix} \
 BINDIR=%{_bindir} \
 MANDIR=%{_mandir} \