diff --git a/lib/utils.robot b/lib/utils.robot
index c4cd4d5..72dbc96 100755
--- a/lib/utils.robot
+++ b/lib/utils.robot
@@ -1580,3 +1580,19 @@
     Write Attribute  ${BMC_LOGGING_URI}${/}rest_api_logs  Enabled
     ...  data=${log_dict}  verify=${1}  expected_value=${policy_setting}
 
+
+Update Root Password
+    [Documentation]  Update system "root" user password.
+    [Arguments]  ${openbmc_password}=${OPENBMC_PASSWORD}
+
+    # Description of argument(s):
+    # openbmc_password   The root password for the open BMC system.
+
+    @{password} =  Create List  ${openbmc_password}
+    ${data} =  Create Dictionary  data=@{password}
+
+    ${headers} =  Create Dictionary  Content-Type=application/json
+    ${resp} =  Post Request  openbmc  ${BMC_USER_URI}root/action/SetPassword
+    ...  data=${data}  headers=${headers}
+    Should Be Equal As Strings  ${resp.status_code}  ${HTTP_OK}
+    ...  msg=Updating the new root password failed, RC=${resp.status_code}.