diff --git a/embedded/openapi/spec3.beta.sdk.json b/embedded/openapi/spec3.beta.sdk.json
index 8596ee87..e87fe9ab 100644
--- a/embedded/openapi/spec3.beta.sdk.json
+++ b/embedded/openapi/spec3.beta.sdk.json
@@ -2352,6 +2352,7 @@
               "taxes_calculation_failed",
               "terminal_location_country_unsupported",
               "terminal_reader_busy",
+              "terminal_reader_hardware_fault",
               "terminal_reader_offline",
               "terminal_reader_timeout",
               "testmode_charges_only",