diff --git a/.changeset/four-eyes-wish.md b/.changeset/four-eyes-wish.md
new file mode 100644
index 000000000..3bbbc1e47
--- /dev/null
+++ b/.changeset/four-eyes-wish.md
@@ -0,0 +1,5 @@
+---
+'mermaid': patch
+---
+
+fix: Ensure edge label color is applied when using classDef with edge IDs