diff --git a/src/ruby.ts b/src/ruby.ts
index cb03de6fe..85146f2c3 100644
--- a/src/ruby.ts
+++ b/src/ruby.ts
@@ -15,8 +15,8 @@ export function activate(context: ExtensionContext) {
 	// register language config
 	vscode.languages.setLanguageConfiguration('ruby', {
 		indentationRules: {
-			increaseIndentPattern: /^\s*((begin|class|def|else|elsif|ensure|for|if|module|rescue|unless|until|when|while)|(.*\sdo\b))\b[^\{;]*$/,
-			decreaseIndentPattern: /^\s*([}\]]([,)]?\s*(#|$)|\.[a-zA-Z_]\w*\b)|(end|rescue|ensure|else|elsif|when)\b)/
+			increaseIndentPattern: /^\s*((begin|class|((private|protected)\s+)?def|else|elsif|ensure|for|if|module|rescue|unless|until|when|while)|(.*\sdo\b))\b[^\{;]*$/,
+			decreaseIndentPattern: /^\s*([}\]]([,)]?\s*(#|$)|\.[a-zA-Z_]\w*\b)|(end|rescue|ensure|else|elsif)\b)/
 		},
 		wordPattern: /(-?\d+(?:\.\d+))|(:?[A-Za-z][^-`~@#%^&()=+[{}|;:'",<>/.*\]\s\\!?]*[!?]?)/
 	});