diff --git a/packages/unhead/src/types/schema/head.ts b/packages/unhead/src/types/schema/head.ts
index fd344dff4..78bb02586 100644
--- a/packages/unhead/src/types/schema/head.ts
+++ b/packages/unhead/src/types/schema/head.ts
@@ -381,7 +381,7 @@ export type {
 export interface MetaGeneric extends MetaBase {
   'name'?: MetaNames | (string & Record<never, never>)
   'property'?: MetaProperties | (string & Record<never, never>)
-  'http-equiv'?: 'content-security-policy' | 'content-type' | 'default-style' | 'x-ua-compatible' | 'refresh' | 'accept-ch' | (string & Record<never, never>)
+  'http-equiv'?: 'content-security-policy' | 'content-type' | 'default-style' | 'x-ua-compatible' | 'refresh' | 'accept-ch' | 'origin-trial' | (string & Record<never, never>)
   'charset'?: 'utf-8' | (string & Record<never, never>)
   'content'?: string | number
 }
diff --git a/packages/unhead/src/types/schema/meta.ts b/packages/unhead/src/types/schema/meta.ts
index aa8a1cbef..c7ff3c0d7 100644
--- a/packages/unhead/src/types/schema/meta.ts
+++ b/packages/unhead/src/types/schema/meta.ts
@@ -201,7 +201,7 @@ export interface HttpEquivMeta extends MetaBase {
    *
    * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta#attr-http-equiv
    */
-  'http-equiv': 'content-security-policy' | 'content-type' | 'default-style' | 'x-ua-compatible' | 'refresh' | 'accept-ch' | (string & Record<never, never>)
+  'http-equiv': 'content-security-policy' | 'content-type' | 'default-style' | 'x-ua-compatible' | 'refresh' | 'accept-ch' | 'origin-trial' | (string & Record<never, never>)
   /**
    * This attribute contains the value for the http-equiv attribute.
    *