diff --git a/kernel-rt/centos/kernel-rt.spec b/kernel-rt/centos/kernel-rt.spec
index 51251bfd..5cd83728 100644
--- a/kernel-rt/centos/kernel-rt.spec
+++ b/kernel-rt/centos/kernel-rt.spec
@@ -2682,6 +2682,7 @@ fi\
 %endif\
 %endif\
 /bin/kernel-install add %{KVERREL}%{?1:+%{1}} /lib/modules/%{KVERREL}%{?1:+%{1}}/vmlinuz || exit $?\
+/usr/sbin/grub2-set-default 0 || :\
 %{nil}
 
 #
diff --git a/kernel-std/centos/kernel.spec b/kernel-std/centos/kernel.spec
index ee6def05..30fdbb45 100644
--- a/kernel-std/centos/kernel.spec
+++ b/kernel-std/centos/kernel.spec
@@ -2668,6 +2668,7 @@ then\
 fi\
 %endif\
 /bin/kernel-install add %{KVERREL}%{?1:+%{1}} /lib/modules/%{KVERREL}%{?1:+%{1}}/vmlinuz || exit $?\
+/usr/sbin/grub2-set-default 0 || :\
 %{nil}
 
 #
diff --git a/test-requirements.txt b/test-requirements.txt
index 47d1aec2..110f80d4 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,3 @@
-bashate >= 0.2
-PyYAML >= 3.1.0
-yamllint >= 0.5.2
+bashate 
+PyYAML
+yamllint