diff --git a/.changeset/famous-llamas-smoke.md b/.changeset/famous-llamas-smoke.md
new file mode 100644
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--- /dev/null
+++ b/.changeset/famous-llamas-smoke.md
@@ -0,0 +1,5 @@
+---
+'@formwerk/core': patch
+---
+
+feat: implement HTML constraint validator