diff --git a/linux_os/guide/system/software/integrity/certified-vendor/installed_OS_is_FIPS_certified/oval/shared.xml b/linux_os/guide/system/software/integrity/certified-vendor/installed_OS_is_FIPS_certified/oval/shared.xml
index ed547a09115..68f81619efc 100644
--- a/linux_os/guide/system/software/integrity/certified-vendor/installed_OS_is_FIPS_certified/oval/shared.xml
+++ b/linux_os/guide/system/software/integrity/certified-vendor/installed_OS_is_FIPS_certified/oval/shared.xml
@@ -10,6 +10,7 @@
       <extend_definition comment="Installed OS is RHCOS4" definition_ref="installed_OS_is_rhcos4" />
       <extend_definition comment="Installed OS is OL7" definition_ref="installed_OS_is_ol7" />
       <extend_definition comment="Installed OS is OL8" definition_ref="installed_OS_is_ol8" />
+      <extend_definition comment="Installed OS is OL9" definition_ref="installed_OS_is_ol9" />
       <extend_definition comment="Installed OS is SLE12" definition_ref="installed_OS_is_sle12" />
       <extend_definition comment="Installed OS is SLE15" definition_ref="installed_OS_is_sle15" />
       <extend_definition comment="Installed OS is Ubuntu 16.04" definition_ref="installed_OS_is_ubuntu1604" />