diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index af91beb..804fc5e 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -26,8 +26,8 @@
 				"ms-azuretools.vscode-containers",
 				"eamodio.gitlens",
 				"shd101wyy.markdown-preview-enhanced",
+				"bierner.markdown-mermaid",
 				"bierner.markdown-preview-github-styles"
-
 			]
 		}
 	}