diff --git a/.changeset/techdocs-fast-foxes-relate.md b/.changeset/techdocs-fast-foxes-relate.md
new file mode 100644
index 0000000000..7377946f86
--- /dev/null
+++ b/.changeset/techdocs-fast-foxes-relate.md
@@ -0,0 +1,5 @@
+---
+'@backstage/techdocs-common': patch
+---
+
+After TechDocs generate step, insert build timestamp to techdocs_metadata.json