diff --git a/packages/pegjs/typings/api.d.ts b/packages/pegjs/typings/api.d.ts
index 276163d..661463f 100644
--- a/packages/pegjs/typings/api.d.ts
+++ b/packages/pegjs/typings/api.d.ts
@@ -195,6 +195,7 @@ declare namespace peg {
         interface LabeledExpression extends INode {
 
             type: "labeled";
+            pick?: true;
             label: string;
             expression: (
                 PrefixedExpression
@@ -481,6 +482,7 @@ declare namespace peg {
                 function reportDuplicateLabels( ast: Grammar, session: Session ): void;
                 function reportInfiniteRecursion( ast: Grammar, session: Session ): void;
                 function reportInfiniteRepetition( ast: Grammar, session: Session ): void;
+                function reportIncorrectPlucking( ast: Grammar, session: Session ): void;
 
             }
 
diff --git a/packages/pegjs/typings/modules.d.ts b/packages/pegjs/typings/modules.d.ts
index 9204fce..8baa223 100644
--- a/packages/pegjs/typings/modules.d.ts
+++ b/packages/pegjs/typings/modules.d.ts
@@ -115,6 +115,12 @@ declare module "pegjs/lib/compiler/passes/report-duplicate-rules" {
 
 }
 
+declare module "pegjs/lib/compiler/passes/report-incorrect-plucking" {
+
+    export default peg.compiler.passes.check.reportIncorrectPlucking;
+
+}
+
 declare module "pegjs/lib/compiler/passes/report-infinite-recursion" {
 
     export default peg.compiler.passes.check.reportInfiniteRecursion;