diff --git a/src/api/types.ts b/src/api/types.ts
index 37a0fa4c4..0b4ecd5fe 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -11595,7 +11595,7 @@ export interface IngestPipeline {
   on_failure?: IngestProcessorContainer[]
   processors?: IngestProcessorContainer[]
   version?: VersionNumber
-  _meta: Metadata
+  _meta?: Metadata
 }
 
 export interface IngestPipelineConfig {
diff --git a/src/api/typesWithBodyKey.ts b/src/api/typesWithBodyKey.ts
index c4f534b6e..22041532c 100644
--- a/src/api/typesWithBodyKey.ts
+++ b/src/api/typesWithBodyKey.ts
@@ -11773,7 +11773,7 @@ export interface IngestPipeline {
   on_failure?: IngestProcessorContainer[]
   processors?: IngestProcessorContainer[]
   version?: VersionNumber
-  _meta: Metadata
+  _meta?: Metadata
 }
 
 export interface IngestPipelineConfig {