diff --git a/.changeset/blue-grapes-kneel.md b/.changeset/blue-grapes-kneel.md
new file mode 100644
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+++ b/.changeset/blue-grapes-kneel.md
@@ -0,0 +1,5 @@
+---
+"@lifi/data-types": patch
+---
+
+Build with TypeScript 7, and stop publishing the compiled spec files (the package no longer contains test files).