diff --git a/lib/wreq_ruby/http.rb b/lib/wreq_ruby/http.rb
index 5930f66..443f5eb 100644
--- a/lib/wreq_ruby/http.rb
+++ b/lib/wreq_ruby/http.rb
@@ -49,6 +49,20 @@ class Version
       def to_s
       end
     end
+
+    # Compares HTTP versions by semantic value, not object identity.
+    #
+    # This method is implemented by the native extension.
+    # When comparing with non-{Wreq::Version} objects, it returns false.
+    #
+    # @param other [Object] object to compare against
+    # @return [Boolean] true when both represent the same HTTP version
+    # @example
+    #   Wreq::Version::HTTP_11 == response.version
+    unless method_defined?(:==)
+      def ==(other)
+      end
+    end
   end
 
   # HTTP status code wrapper.
diff --git a/src/client/req.rs b/src/client/req.rs
index 002a338..6cd4791 100644
--- a/src/client/req.rs
+++ b/src/client/req.rs
@@ -3,7 +3,7 @@ use std::{net::IpAddr, time::Duration};
 use http::header;
 use magnus::{RHash, TryConvert, typed_data::Obj, value::ReprValue};
 use serde::Deserialize;
-use wreq::{Client, Proxy, Version, header::OrigHeaderMap};
+use wreq::{Client, Proxy, header::OrigHeaderMap};
 
 use super::body::{Body, Form, Json};
 use crate::{
@@ -13,7 +13,7 @@ use crate::{
     error::wreq_error_to_magnus,
     extractor::Extractor,
     header::Headers,
-    http::Method,
+    http::{Method, Version},
     rt,
 };
 
@@ -112,6 +112,10 @@ impl Request {
             builder.emulation = Some((*obj).clone());
         }
 
+        if let Some(v) = hash.get(ruby.to_symbol(stringify!(version))) {
+            builder.version = Some(Version::try_convert(v)?);
+        }
+
         if let Some(v) = hash.get(ruby.to_symbol(stringify!(headers))) {
             builder.headers = Some(Headers::try_convert(v)?);
         }
@@ -125,7 +129,6 @@ impl Request {
         }
 
         builder.proxy = Extractor::<Proxy>::try_convert(keyword)?.into_inner();
-        builder.version = Extractor::<Version>::try_convert(keyword)?.into_inner();
         builder.orig_headers = Extractor::<OrigHeaderMap>::try_convert(keyword)?.into_inner();
 
         Ok(builder)
@@ -145,7 +148,13 @@ pub fn execute_request<U: AsRef<str>>(
         apply_option!(set_if_some_inner, builder, request.emulation, emulation);
 
         // Version options.
-        apply_option!(set_if_some, builder, request.version, version);
+        apply_option!(
+            set_if_some_map,
+            builder,
+            request.version,
+            version,
+            Version::into_ffi
+        );
 
         // Timeout options.
         apply_option!(
diff --git a/src/http.rs b/src/http.rs
index 5bb02b0..31cb7d2 100644
--- a/src/http.rs
+++ b/src/http.rs
@@ -1,4 +1,4 @@
-use magnus::{Error, Module, RModule, Ruby, method, typed_data::Inspect};
+use magnus::{Error, Module, RModule, Ruby, TryConvert, Value, method, typed_data::Inspect};
 
 define_ruby_enum!(
     /// An HTTP version.
@@ -41,6 +41,20 @@ impl Version {
     pub fn to_s(&self) -> String {
         self.into_ffi().inspect()
     }
+
+    /// Value-based equality for Ruby (`==`).
+    #[inline]
+    pub fn equals(&self, other: Value) -> bool {
+        <&Version>::try_convert(other)
+            .map(|other| *self == *other)
+            .unwrap_or(false)
+    }
+}
+
+impl TryConvert for Version {
+    fn try_convert(value: magnus::Value) -> Result<Self, magnus::Error> {
+        <&Version>::try_convert(value).cloned()
+    }
 }
 
 // ===== impl StatusCode =====
@@ -113,6 +127,7 @@ pub fn include(ruby: &Ruby, gem_module: &RModule) -> Result<(), Error> {
     version_class.const_set("HTTP_2", Version::HTTP_2)?;
     version_class.const_set("HTTP_3", Version::HTTP_3)?;
     version_class.define_method("to_s", method!(Version::to_s, 0))?;
+    version_class.define_method("==", method!(Version::equals, 1))?;
 
     let status_code_class = gem_module.define_class("StatusCode", ruby.class_object())?;
     status_code_class.define_method("as_int", method!(StatusCode::as_int, 0))?;
diff --git a/test/request_test.rb b/test/request_test.rb
index ac9cbaf..64d377c 100644
--- a/test/request_test.rb
+++ b/test/request_test.rb
@@ -6,6 +6,16 @@ def setup
     @client = Wreq::Client.new(timeout: 30)
   end
 
+  def test_spec_http1_version
+    response = Wreq.get("https://tls.browserleaks.com", version: Wreq::Version::HTTP_11)
+    assert_equal response.version, Wreq::Version::HTTP_11
+  end
+
+  def test_spec_http2_version
+    response = Wreq.get("https://tls.browserleaks.com", version: Wreq::Version::HTTP_2)
+    assert_equal response.version, Wreq::Version::HTTP_2
+  end
+
   def test_module_get_method
     response = Wreq.get("http://localhost:8080/get")
     assert_equal 200, response.code