diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 9e5d4dce43..eaa220c2a9 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -17,7 +17,8 @@
                 "ms-azuretools.azure-dev",
                 "ms-azuretools.vscode-bicep",
                 "ms-python.python",
-                "esbenp.prettier-vscode"
+                "esbenp.prettier-vscode",
+                "DavidAnson.vscode-markdownlint"
             ]
         }
     },
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index c38e4736dc..5afef11fda 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -3,6 +3,7 @@
         "ms-azuretools.azure-dev",
         "ms-azuretools.vscode-bicep",
         "ms-python.python",
-        "esbenp.prettier-vscode"
+        "esbenp.prettier-vscode",
+        "DavidAnson.vscode-markdownlint"
     ]
 }