diff --git a/lib/config/definitions.js b/lib/config/definitions.js
index f035ad3588ec96ddcafbc9e588f9a36532a5aa55..ee5b0e4924e36a97b0d65a9cf797562b59abeaac 100644
--- a/lib/config/definitions.js
+++ b/lib/config/definitions.js
@@ -968,7 +968,7 @@ const options = [
     stage: 'package',
     type: 'json',
     default: {
-      fileMatch: ['\\.buildkite/.+\\.yml$'],
+      fileMatch: ['buildkite\\.ya?ml', '\\.buildkite/.+\\.ya?ml$'],
       commitMessageTopic: 'buildkite plugin {{depName}}',
       commitMessageExtra:
         'to {{#if isMajor}}v{{{newMajor}}}{{else}}{{{newValue}}}{{/if}}',