diff --git a/.changeset/ten-lamps-trade.md b/.changeset/ten-lamps-trade.md
new file mode 100644
index 000000000..991a70daf
--- /dev/null
+++ b/.changeset/ten-lamps-trade.md
@@ -0,0 +1,5 @@
+---
+'mermaid': patch
+---
+
+fix: allow colons in events