diff --git a/async-http.gemspec b/async-http.gemspec
index e39a79b7..5247d9c5 100644
--- a/async-http.gemspec
+++ b/async-http.gemspec
@@ -22,8 +22,8 @@ Gem::Specification.new do |spec|
 	spec.add_dependency "async", ">= 1.25"
 	spec.add_dependency "async-io", ">= 1.28"
 	spec.add_dependency "async-pool", ">= 0.2"
-	spec.add_dependency "protocol-http", "~> 0.25.0"
-	spec.add_dependency "protocol-http1", "~> 0.16.0"
-	spec.add_dependency "protocol-http2", "~> 0.15.0"
+	spec.add_dependency "protocol-http", "~> 0.26.0"
+	spec.add_dependency "protocol-http1", "~> 0.18.0"
+	spec.add_dependency "protocol-http2", "~> 0.16.0"
 	spec.add_dependency "traces", ">= 0.10.0"
 end
diff --git a/lib/async/http/protocol/https.rb b/lib/async/http/protocol/https.rb
index 76709c11..a559fd29 100644
--- a/lib/async/http/protocol/https.rb
+++ b/lib/async/http/protocol/https.rb
@@ -9,24 +9,6 @@
 
 require_relative 'http2'
 
-require 'openssl'
-
-unless OpenSSL::SSL::SSLContext.instance_methods.include? :alpn_protocols=
-	warn "OpenSSL implementation doesn't support ALPN."
-	
-	class OpenSSL::SSL::SSLContext
-		def alpn_protocols= names
-			return names
-		end
-	end
-	
-	class OpenSSL::SSL::SSLSocket
-		def alpn_protocol
-			return nil
-		end
-	end
-end
-
 module Async
 	module HTTP
 		module Protocol
diff --git a/lib/async/http/version.rb b/lib/async/http/version.rb
index be1dea53..35c173c0 100644
--- a/lib/async/http/version.rb
+++ b/lib/async/http/version.rb
@@ -5,6 +5,6 @@
 
 module Async
 	module HTTP
-		VERSION = "0.62.0"
+		VERSION = "0.63.0"
 	end
 end