diff --git a/.changeset/popular-otters-whisper.md b/.changeset/popular-otters-whisper.md
new file mode 100644
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+++ b/.changeset/popular-otters-whisper.md
@@ -0,0 +1,5 @@
+---
+"react18-themes": major
+---
+
+Remove support for passing styles object from CSS modules or CSS-in-JS for the theme classes.