diff --git a/lib/curl_req/macro.ex b/lib/curl_req/macro.ex
index 84d3691..108ad94 100644
--- a/lib/curl_req/macro.ex
+++ b/lib/curl_req/macro.ex
@@ -29,7 +29,8 @@ defmodule CurlReq.Macro do
           proxy: :string,
           proxy_user: :string,
           user: :string,
-          netrc: :boolean
+          netrc: :boolean,
+          netrc_file: :string
         ],
         aliases: [
           H: :header,
@@ -177,15 +178,39 @@ defmodule CurlReq.Macro do
   end
 
   defp add_auth(req, options) do
-    case Keyword.get(options, :user) do
+    req =
+      case Keyword.get(options, :user) do
+        nil ->
+          req
+
+        credentials ->
+          req
+          |> Req.Request.register_options([:auth])
+          |> Req.Request.prepend_request_steps(auth: &Req.Steps.auth/1)
+          |> Req.merge(auth: {:basic, credentials})
+      end
+
+    req =
+      case Keyword.get(options, :netrc) do
+        nil ->
+          req
+
+        true ->
+          req
+          |> Req.Request.register_options([:auth])
+          |> Req.Request.prepend_request_steps(auth: &Req.Steps.auth/1)
+          |> Req.merge(auth: :netrc)
+      end
+
+    case Keyword.get(options, :netrc_file) do
       nil ->
         req
 
-      credentials ->
+      path ->
         req
         |> Req.Request.register_options([:auth])
         |> Req.Request.prepend_request_steps(auth: &Req.Steps.auth/1)
-        |> Req.merge(auth: {:basic, credentials})
+        |> Req.merge(auth: {:netrc, path})
     end
   end
 
diff --git a/test/curl_req/macro_test.exs b/test/curl_req/macro_test.exs
index cf91ba7..59b5d35 100644
--- a/test/curl_req/macro_test.exs
+++ b/test/curl_req/macro_test.exs
@@ -134,7 +134,7 @@ defmodule CurlReq.MacroTest do
                }
     end
 
-    test "auth" do
+    test "basic auth" do
       assert ~CURL(curl http://example.com -u user:pass) ==
                %Req.Request{
                  url: URI.parse("http://example.com"),
@@ -171,6 +171,30 @@ defmodule CurlReq.MacroTest do
                }
     end
 
+    test "netrc auth" do
+      assert ~CURL(curl http://example.com -n) ==
+               %Req.Request{
+                 url: URI.parse("http://example.com"),
+                 body: nil,
+                 registered_options: MapSet.new([:auth]),
+                 options: %{auth: :netrc},
+                 current_request_steps: [:auth],
+                 request_steps: [auth: &Req.Steps.auth/1]
+               }
+    end
+
+    test "netrc file auth" do
+      assert ~CURL(curl http://example.com --netrc-file "./mynetrc") ==
+               %Req.Request{
+                 url: URI.parse("http://example.com"),
+                 body: nil,
+                 registered_options: MapSet.new([:auth]),
+                 options: %{auth: {:netrc, "./mynetrc"}},
+                 current_request_steps: [:auth],
+                 request_steps: [auth: &Req.Steps.auth/1]
+               }
+    end
+
     test "compressed" do
       assert ~CURL(curl --compressed http://example.com) ==
                %Req.Request{