diff --git a/.changeset/release-minor-update.md b/.changeset/release-minor-update.md
new file mode 100644
index 00000000..73465ee4
--- /dev/null
+++ b/.changeset/release-minor-update.md
@@ -0,0 +1,5 @@
+---
+"@fission-ai/openspec": minor
+---
+
+Add support for Codex and GitHub Copilot slash commands with YAML frontmatter and $ARGUMENTS