diff --git a/.changeset/add-vert-tag-bar-chart.md b/.changeset/add-vert-tag-bar-chart.md
new file mode 100644
index 000000000..4ab74059c
--- /dev/null
+++ b/.changeset/add-vert-tag-bar-chart.md
@@ -0,0 +1,5 @@
+---
+'mermaid': minor
+---
+
+feat: Add Vertical Line To Gantt Plot At Specified Time