diff --git a/types/urijs/index.d.ts b/types/urijs/index.d.ts
index 6554de3214..9546b50820 100644
--- a/types/urijs/index.d.ts
+++ b/types/urijs/index.d.ts
@@ -7,6 +7,7 @@
 //                 TeamworkGuy2 <https://github.com/teamworkguy2>
 //                 Akuukis <https://github.com/Akuukis>
 //                 Marcell Toth <https://github.com/marcelltoth>
+//                 Andree Hagelstein <https://github.com/ahagelstein>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 3.0
 
@@ -42,10 +43,14 @@ declare const URI: {
     decode(str: string): string;
     decodeQuery(qry: string): string;
 
+    duplicateQueryParameters: boolean;
+
     encode(str: string): string;
     encodeQuery(qry: string): string;
     encodeReserved(str: string): string;
 
+    escapeQuerySpace: boolean;
+
     /**
      * @description Wrapper for `URITemplate#expand`. Only present after
      *              importing `urijs/src/URITemplate` explicitly.
@@ -106,6 +111,8 @@ declare namespace URI {
     }
 
     interface Parts extends URIOptions {
+        duplicateQueryParameters: boolean;
+        escapeQuerySpace: boolean;
         preventInvalidHostname: boolean;
     }
 }
@@ -133,6 +140,8 @@ interface URI {
 
     equals(url?: string | URI): boolean;
 
+    escapeQuerySpace(val: boolean): URI;
+
     filename(file?: boolean): string;
     filename(file: string): URI;
     fragment(): string;
@@ -194,6 +203,8 @@ interface URI {
     protocol(): string;
     protocol(protocol: string): URI;
 
+    preventInvalidHostname(val: boolean): URI;
+
     query(): string;
     query(qry: string | object): URI;
     query(qry: boolean): object;