diff --git a/gleam.toml b/gleam.toml
index ced87ed..e479be0 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -3,7 +3,7 @@ version = "0.2.0"
 licences = ["Apache-2.0"]
 description = "Make HTTP requests in Gleam JavaScript with Fetch"
 target = "javascript"
-gleam = ">= 0.30.0"
+gleam = ">= 0.32.0"
 
 repository = { type = "github", user = "gleam-lang", repo = "fetch" }
 links = [
@@ -14,6 +14,7 @@ links = [
 [dependencies]
 gleam_http = "~> 3.1"
 gleam_javascript = "~> 0.3"
+gleam_stdlib = "~> 0.34"
 
 [dev-dependencies]
 gleeunit = "~> 0.8"
diff --git a/manifest.toml b/manifest.toml
index eedb7a7..a30b661 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -2,13 +2,14 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "gleam_http", version = "3.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "FAE9AE3EB1CA90C2194615D20FFFD1E28B630E84DACA670B28D959B37BCBB02C" },
-  { name = "gleam_javascript", version = "0.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "9FBC0BA8E15355B1CAA2775109E1E05EA0950D0FF451A8AFD41BDD972C3652A1" },
-  { name = "gleam_stdlib", version = "0.30.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "03710B3DA047A3683117591707FCA19D32B980229DD8CE8B0603EB5B5144F6C3" },
-  { name = "gleeunit", version = "0.10.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "ECEA2DE4BE6528D36AFE74F42A21CDF99966EC36D7F25DEB34D47DD0F7977BAF" },
+  { name = "gleam_http", version = "3.5.3", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "C2FC3322203B16F897C1818D9810F5DEFCE347F0751F3B44421E1261277A7373" },
+  { name = "gleam_javascript", version = "0.7.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EEA30D1ABF62B06FC378764D598DF041303CFA33A6586BFF4C4BFEFFA83DBDBE" },
+  { name = "gleam_stdlib", version = "0.34.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "1FB8454D2991E9B4C0C804544D8A9AD0F6184725E20D63C3155F0AEB4230B016" },
+  { name = "gleeunit", version = "0.11.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "1397E5C4AC4108769EE979939AC39BF7870659C5AFB714630DEEEE16B8272AD5" },
 ]
 
 [requirements]
 gleam_http = { version = "~> 3.1" }
 gleam_javascript = { version = "~> 0.3" }
+gleam_stdlib = { version = "~> 0.34"}
 gleeunit = { version = "~> 0.8" }
diff --git a/src/ffi.mjs b/src/ffi.mjs
index f0f4619..89177e6 100644
--- a/src/ffi.mjs
+++ b/src/ffi.mjs
@@ -17,6 +17,14 @@ export async function raw_send(request) {
   }
 }
 
+export async function raw_send_with_options(request, options) {
+  try {
+    return new Ok(await fetch(request, options));
+  } catch (error) {
+    return new Error(new NetworkError(error.toString()));
+  }
+}
+
 export function from_fetch_response(response) {
   return new Response(
     response.status,
@@ -60,3 +68,11 @@ export async function read_json_body(response) {
     return new Error(new InvalidJsonBody());
   }
 }
+
+export function make_options() {
+  return {}
+}
+
+export function update_options(options, key, value) {
+  return { ...options, [key]: value }
+}
diff --git a/src/gleam/fetch.gleam b/src/gleam/fetch.gleam
index 090428b..3593e16 100644
--- a/src/gleam/fetch.gleam
+++ b/src/gleam/fetch.gleam
@@ -1,7 +1,7 @@
-import gleam/http/request.{Request}
-import gleam/http/response.{Response}
-import gleam/dynamic.{Dynamic}
-import gleam/javascript/promise.{Promise}
+import gleam/http/request.{type Request}
+import gleam/http/response.{type Response}
+import gleam/dynamic.{type Dynamic}
+import gleam/javascript/promise.{type Promise}
 
 pub type FetchError {
   NetworkError(String)
@@ -13,11 +13,19 @@ pub type FetchBody
 
 pub type FetchRequest
 
+pub type FetchRequestOptions
+
 pub type FetchResponse
 
 @external(javascript, "../ffi.mjs", "raw_send")
 pub fn raw_send(a: FetchRequest) -> Promise(Result(FetchResponse, FetchError))
 
+@external(javascript, "../ffi.mjs", "raw_send_with_options")
+pub fn raw_send_with_options(
+  a: FetchRequest,
+  b: FetchRequestOptions,
+) -> Promise(Result(FetchResponse, FetchError))
+
 pub fn send(
   request: Request(String),
 ) -> Promise(Result(Response(FetchBody), FetchError)) {
@@ -44,3 +52,31 @@ pub fn read_text_body(
 pub fn read_json_body(
   a: Response(FetchBody),
 ) -> Promise(Result(Response(Dynamic), FetchError))
+
+@external(javascript, "../ffi.mjs", "make_options")
+pub fn make_options() -> FetchRequestOptions
+
+@external(javascript, "../ffi.mjs", "update_options")
+fn update_options(
+  a: FetchRequestOptions,
+  key: String,
+  value: Dynamic,
+) -> FetchRequestOptions
+
+pub type CredentialsOption {
+  Include
+  SameOrigin
+  Omit
+}
+
+pub fn with_credentials(
+  o: FetchRequestOptions,
+  v: CredentialsOption,
+) -> FetchRequestOptions {
+  let encoded_value = case v {
+    Include -> "include"
+    SameOrigin -> "same-origin"
+    Omit -> "omit"
+  }
+  update_options(o, "credentials", dynamic.from(encoded_value))
+}
diff --git a/test/gleam_fetch_test.gleam b/test/gleam_fetch_test.gleam
index c612c76..f3324bd 100644
--- a/test/gleam_fetch_test.gleam
+++ b/test/gleam_fetch_test.gleam
@@ -1,6 +1,6 @@
-import gleam/fetch.{FetchError}
+import gleam/fetch.{type FetchError}
 import gleam/http.{Get, Head, Options}
-import gleam/http/response.{Response}
+import gleam/http/response.{type Response, Response}
 import gleam/http/request
 import gleam/javascript/promise
 import gleeunit