diff --git a/.changeset/techdocs-she-was-gone.md b/.changeset/techdocs-she-was-gone.md
new file mode 100644
index 0000000000..a6821abcf6
--- /dev/null
+++ b/.changeset/techdocs-she-was-gone.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-techdocs': patch
+---
+
+TechDocs now uses a "safe by default" sanitization library, rather than relying on its own, hard-coded list of allowable tags and attributes.