diff --git a/src/GatsbyLink.re b/src/GatsbyLink.re
index 49848ae..198a0bf 100644
--- a/src/GatsbyLink.re
+++ b/src/GatsbyLink.re
@@ -1,10 +1,8 @@
-[@bs.module "gatsby"]
-external gatsbyLink : ReasonReact.reactClass = "Link";
+[@bs.module "gatsby"] external gatsbyLink : ReasonReact.reactClass = "Link";
 
 [@bs.module "gatsby"] external navigateTo : string => unit = "navigateTo";
 
-[@bs.module "gatsby"]
-external withPrefix : string => string = "withPrefix";
+[@bs.module "gatsby"] external withPrefix : string => string = "withPrefix";
 
 [@bs.deriving abstract]
 type jsProps = {
@@ -15,6 +13,7 @@ type jsProps = {
   innerRef: Js.nullable(ReasonReact.reactRef),
   onClick: Js.nullable(ReactEvent.Mouse.t => unit),
   activeClassName: Js.nullable(string),
+  className: Js.nullable(string),
   exact: Js.nullable(bool),
   strict: Js.nullable(bool),
 };
@@ -42,6 +41,7 @@ let make =
       ~innerRef: option(ReasonReact.reactRef)=?,
       ~onClick: option(ReactEvent.Mouse.t => unit)=?,
       ~activeClassName: option(string)=?,
+      ~className: option(string)=?,
       ~exact: option(bool)=?,
       ~strict: option(bool)=?,
       children,
@@ -54,6 +54,7 @@ let make =
       ~style=Js.Nullable.fromOption(style),
       ~onClick=Js.Nullable.fromOption(onClick),
       ~activeClassName=Js.Nullable.fromOption(activeClassName),
+      ~className=Js.Nullable.fromOption(className),
       ~exact=Js.Nullable.fromOption(exact),
       ~strict=Js.Nullable.fromOption(strict),
     );
diff --git a/src/GatsbyLink.rei b/src/GatsbyLink.rei
index b3eec52..b118226 100644
--- a/src/GatsbyLink.rei
+++ b/src/GatsbyLink.rei
@@ -6,6 +6,7 @@ let make:
     ~innerRef: ReasonReact.reactRef=?,
     ~onClick: ReactEvent.Mouse.t => unit=?,
     ~activeClassName: string=?,
+    ~className: string=?,
     ~exact: bool=?,
     ~strict: bool=?,
     'a
@@ -16,4 +17,4 @@ let make:
     ReasonReact.actionless,
   );
 let navigateTo: string => unit;
-let withPrefix: string => string;
\ No newline at end of file
+let withPrefix: string => string;