diff --git a/gems.rb b/gems.rb
index 229e4f9..9539d77 100644
--- a/gems.rb
+++ b/gems.rb
@@ -7,8 +7,6 @@
 
 gemspec
 
-gem "faraday", git: "https://github.com/lostisland/faraday.git", branch: "mg/parallel-manager-execute"
-
 group :maintenance, optional: true do
 	gem "bake-modernize"
 	gem "bake-gem"
diff --git a/lib/async/http/faraday/adapter.rb b/lib/async/http/faraday/adapter.rb
index 633b74d..ce3352e 100644
--- a/lib/async/http/faraday/adapter.rb
+++ b/lib/async/http/faraday/adapter.rb
@@ -63,7 +63,11 @@ def run
 				end
 				
 				def async(&block)
-					@barrier.async(&block)
+					if @barrier
+						@barrier.async(&block)
+					else
+						Sync(&block)
+					end
 				end
 				
 				def execute(&block)