diff --git a/lib/keystone b/lib/keystone
index 7994065bbd..0a0e1e8aef 100644
--- a/lib/keystone
+++ b/lib/keystone
@@ -124,7 +124,7 @@ KEYSTONE_SERVICE_URI_V3=$KEYSTONE_SERVICE_URI/v3
 # Security compliance
 KEYSTONE_SECURITY_COMPLIANCE_ENABLED=${KEYSTONE_SECURITY_COMPLIANCE_ENABLED:-True}
 KEYSTONE_LOCKOUT_FAILURE_ATTEMPTS=${KEYSTONE_LOCKOUT_FAILURE_ATTEMPTS:-2}
-KEYSTONE_LOCKOUT_DURATION=${KEYSTONE_LOCKOUT_DURATION:-5}
+KEYSTONE_LOCKOUT_DURATION=${KEYSTONE_LOCKOUT_DURATION:-10}
 KEYSTONE_UNIQUE_LAST_PASSWORD_COUNT=${KEYSTONE_UNIQUE_LAST_PASSWORD_COUNT:-2}
 
 # Number of bcrypt hashing rounds, increasing number exponentially increases required