diff --git a/tasks/vscode.yml b/tasks/vscode.yml
index f547374..12aa3ca 100644
--- a/tasks/vscode.yml
+++ b/tasks/vscode.yml
@@ -81,6 +81,7 @@
       - bibhasdn.django-html
       - github.vscode-pull-request-github
       - randomfractalsinc.vscode-data-preview
+      - vstirbu.vscode-mermaid-preview
 
 
 - name: "Install VSCode extensions"