diff --git a/.changeset/techdocs-spotty-cooks-wait.md b/.changeset/techdocs-spotty-cooks-wait.md
new file mode 100644
index 0000000000..9ec35b9257
--- /dev/null
+++ b/.changeset/techdocs-spotty-cooks-wait.md
@@ -0,0 +1,6 @@
+---
+'@backstage/techdocs-common': patch
+'@backstage/plugin-techdocs-backend': patch
+---
+
+Add etag of the prepared file tree to techdocs_metadata.json in the storage