diff --git a/.changeset/moody-balloons-cheat.md b/.changeset/moody-balloons-cheat.md
new file mode 100644
index 00000000..f94d16db
--- /dev/null
+++ b/.changeset/moody-balloons-cheat.md
@@ -0,0 +1,5 @@
+---
+'mdsvex': patch
+---
+
+Replace hyphen in YAML frontmatter with underscore to prevent issues when building