diff --git a/types/papaparse/index.d.ts b/types/papaparse/index.d.ts
index fc97ef210c..300e33b4a5 100644
--- a/types/papaparse/index.d.ts
+++ b/types/papaparse/index.d.ts
@@ -97,7 +97,7 @@ export interface ParseConfig {
     quoteChar?: string;            // default: '"'
     header?: boolean;              // default: false
     trimHeaders?: boolean;         // default: false
-    dynamicTyping?: boolean;       // default: false
+    dynamicTyping?: boolean | { [headerName: string]: boolean; [columnNumber: number]: boolean;} | ((field: string | number) => boolean); // default: false
     preview?: number;              // default: 0
     encoding?: string;             // default: ""
     worker?: boolean;              // default: false
diff --git a/types/papaparse/papaparse-tests.ts b/types/papaparse/papaparse-tests.ts
index 50929ff512..a22ea5b14d 100644
--- a/types/papaparse/papaparse-tests.ts
+++ b/types/papaparse/papaparse-tests.ts
@@ -2,12 +2,12 @@
 
 import Papa = require("papaparse");
 import {
-	ParseConfig,
-	UnparseConfig,
-	UnparseObject,
-	ParseError,
-	ParseMeta,
-	ParseResult
+    ParseConfig,
+    UnparseConfig,
+    UnparseObject,
+    ParseError,
+    ParseMeta,
+    ParseResult
 } from "papaparse";
 import { Readable } from "stream";
 
@@ -19,14 +19,26 @@ var res = Papa.parse("3,3,3");
 res.errors[0].code;
 
 Papa.parse("3,3,3", {
-	delimiter: ';',
-	comments: false,
+    delimiter: ';',
+    comments: false,
     trimHeaders: false,
+    step: function (results, p) {
+        p.abort();
+        results.data.length;
+    },
+    dynamicTyping: true
+});
 
-	step: function (results, p) {
-		p.abort();
-		results.data.length;
-	}
+Papa.parse("3,3,3", {
+    dynamicTyping: (field: string | number): boolean => /headerName/i.test(field.toString())
+});
+
+Papa.parse("3,3,3", {
+    dynamicTyping: {'headerName': true}
+});
+
+Papa.parse("3,3,3", {
+    dynamicTyping: {5: true}
 });
 
 var file = new File(null, null, null);
@@ -35,20 +47,20 @@ Papa.parse(file, {
     transform: function(value, field) {
 
     },
-	complete: function (a, b) {
-		a.meta.fields;
-		b.name;
-	}
+    complete: function (a, b) {
+        a.meta.fields;
+        b.name;
+    }
 });
 
 const readable = new Readable()
 const rows = [
-	"1,2,3",
-	"4,5,6"
+    "1,2,3",
+    "4,5,6"
 ]
 
 rows.forEach(r => {
-	readable.push(r);
+    readable.push(r);
 });
 
 const papaStream: NodeJS.ReadWriteStream = Papa.parse(Papa.NODE_STREAM_INPUT);
@@ -61,16 +73,16 @@ readable.pipe(papaStream);
 Papa.unparse([{ a: 1, b: 1, c: 1 }]);
 Papa.unparse([[1, 2, 3], [4, 5, 6]]);
 Papa.unparse({
-	fields: ["3"],
-	data: []
+    fields: ["3"],
+    data: []
 });
 
 Papa.unparse([{ a: 1, b: 1, c: 1 }], { quotes: false });
 Papa.unparse([{ a: 1, b: 1, c: 1 }], { quotes: [false, true, true] });
 Papa.unparse([[1, 2, 3], [4, 5, 6]], { delimiter: "," });
 Papa.unparse({
-	fields: ["3"],
-	data: []
+    fields: ["3"],
+    data: []
 }, { newline: "\n" });