diff --git a/.changeset/cost-insights-five-baboons-attack.md b/.changeset/cost-insights-five-baboons-attack.md
new file mode 100644
index 0000000000..f2c070acb4
--- /dev/null
+++ b/.changeset/cost-insights-five-baboons-attack.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-cost-insights': minor
+---
+
+make change ratio optional