diff --git a/extensions/json/client/src/jsonMain.ts b/extensions/json/client/src/jsonMain.ts
index 962b6d893481ba61d052debb174b5f696807108f..6180cdfc5c991b21fdc4e2fa2824707ab294de94 100644
--- a/extensions/json/client/src/jsonMain.ts
+++ b/extensions/json/client/src/jsonMain.ts
@@ -102,7 +102,11 @@ export function activate(context: ExtensionContext) {
 	context.subscriptions.push(disposable);
 
 	languages.setLanguageConfiguration('json', {
-		wordPattern: /("(?:[^\\\"]*(?:\\.)?)*"?)|[^\s{}\[\],:]+/
+		wordPattern: /("(?:[^\\\"]*(?:\\.)?)*"?)|[^\s{}\[\],:]+/,
+		indentationRules: {
+			increaseIndentPattern: /^.*(\{[^}]*|\[[^\]]*)$/,
+			decreaseIndentPattern: /^\s*[}\]],?\s*$/
+		}
 	});
 }