diff --git a/packages/is-prop-valid/src/props.js b/packages/is-prop-valid/src/props.js
index 664de71e5..81132a4ac 100644
--- a/packages/is-prop-valid/src/props.js
+++ b/packages/is-prop-valid/src/props.js
@@ -69,6 +69,8 @@ const props = {
   draggable: true,
   encType: true,
   enterKeyHint: true,
+  fetchpriority: true,
+  fetchPriority: true,
   form: true,
   formAction: true,
   formEncType: true,