diff --git a/examples/emulation.rs b/examples/emulation.rs
index 35bcfe6..4f995bc 100644
--- a/examples/emulation.rs
+++ b/examples/emulation.rs
@@ -5,7 +5,7 @@ use rquest_util::Emulation;
 async fn main() -> Result<(), rquest::Error> {
     // Build a client to emulation Firefox135
     let client = Client::builder()
-        .emulation(Emulation::Firefox133)
+        .emulation(Emulation::Firefox135)
         .danger_accept_invalid_certs(true)
         .build()?;
 
diff --git a/src/emulation/device/mod.rs b/src/emulation/device/mod.rs
index 87f0b2d..b73f2ab 100644
--- a/src/emulation/device/mod.rs
+++ b/src/emulation/device/mod.rs
@@ -154,6 +154,7 @@ define_emulation_enum!(
     SafariIPad18 => "safari_ipad_18",
     Safari18_2 => "safari_18.2",
     SafariIos18_1_1 => "safari_ios_18.1.1",
+    Safari18_3 => "safari_18.3",
     OkHttp3_9 => "okhttp_3.9",
     OkHttp3_11 => "okhttp_3.11",
     OkHttp3_13 => "okhttp_3.13",
@@ -310,6 +311,7 @@ impl EmulationProviderFactory for EmulationOption {
             Emulation::SafariIPad18 => safari_ipad_18::emulation,
             Emulation::Safari18_2 => safari18_2::emulation,
             Emulation::SafariIos18_1_1 => safari_ios_18_1_1::emulation,
+            Emulation::Safari18_3 => safari18_3::emulation,
 
             Emulation::OkHttp3_9 => okhttp3_9::emulation,
             Emulation::OkHttp3_11 => okhttp3_11::emulation,
diff --git a/src/emulation/device/safari.rs b/src/emulation/device/safari.rs
index 21a3fdc..d2ffd5d 100644
--- a/src/emulation/device/safari.rs
+++ b/src/emulation/device/safari.rs
@@ -434,3 +434,11 @@ mod_generator!(
     header_initializer_for_18,
     "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Safari/605.1.15"
 );
+
+mod_generator!(
+    safari18_3,
+    tls_config!(2, CIPHER_LIST_2, NEW_SIGALGS_LIST),
+    http2_config!(3),
+    header_initializer_for_18,
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15"
+);