diff --git a/.changeset/honest-planets-sin.md b/.changeset/honest-planets-sin.md
new file mode 100644
index 0000000000..c3c9d16dd7
--- /dev/null
+++ b/.changeset/honest-planets-sin.md
@@ -0,0 +1,22 @@
+---
+'@backstage/plugin-scaffolder-backend': minor
+---
+
+**BREAKING** Fixed bug in `publish:github` action that didn't permit to add users as collaborators.
+This fix required changing the way parameters are passed to the action.
+In order to add a team as collaborator, now you must use the `team` field instead of `username`.
+In order to add a user as collaborator, you must use the `username` field.
+
+```yaml
+- id: publish
+  name: Publish
+  action: publish:github
+  input:
+    allowedHosts: ['github.com']
+    repoUrl: ...
+    collaborators:
+      - access: ...
+        team: my_team
+      - access: ...
+        username: my_username
+```