diff --git a/.changeset/clever-cats-brush.md b/.changeset/clever-cats-brush.md
new file mode 100644
index 00000000..ca366265
--- /dev/null
+++ b/.changeset/clever-cats-brush.md
@@ -0,0 +1,5 @@
+---
+'highlightjs-glimmer': patch
+---
+
+Declare support for Node 20