diff --git a/packages_generated/lb/src/v1/index.gen.ts b/packages_generated/lb/src/v1/index.gen.ts
index 9581bb7ed..8a6ba1164 100644
--- a/packages_generated/lb/src/v1/index.gen.ts
+++ b/packages_generated/lb/src/v1/index.gen.ts
@@ -186,3 +186,4 @@ export type {
   ZonedApiUpdateRouteRequest,
   ZonedApiUpdateSubscriberRequest,
 } from './types.gen'
+export * as ValidationRules from './validation-rules.gen'
diff --git a/packages_generated/lb/src/v1/validation-rules.gen.ts b/packages_generated/lb/src/v1/validation-rules.gen.ts
new file mode 100644
index 000000000..c6d38da8b
--- /dev/null
+++ b/packages_generated/lb/src/v1/validation-rules.gen.ts
@@ -0,0 +1,14 @@
+// This file was automatically generated. DO NOT EDIT.
+// If you have any remark or suggestion do not hesitate to open an issue.
+
+export const HealthCheckHttpConfig = {
+  hostHeader: {
+    pattern: /^[^\s]+$/,
+  },
+}
+
+export const HealthCheckHttpsConfig = {
+  hostHeader: {
+    pattern: /^[^\s]+$/,
+  },
+}