diff --git a/.github/classifier.yml b/.github/classifier.yml
index 8acb0002347..92da2b03f5f 100644
--- a/.github/classifier.yml
+++ b/.github/classifier.yml
@@ -144,6 +144,7 @@
         explorer-custom: [],
         extension-host: [],
         extensions: [],
+        extensions-development: [ octref ],
         file-decorations: [],
         file-encoding: {
             assignees: [],