diff --git a/lib/serviz.rb b/lib/serviz.rb
index 7604e7c..ca5bf18 100644
--- a/lib/serviz.rb
+++ b/lib/serviz.rb
@@ -4,8 +4,14 @@ module Serviz
   class Base
     attr_accessor :errors, :result
 
-    def self.call(*args)
-      instance = new(*args)
+    def self.call(*args, **kwargs)
+      instance = if args.length > 0 && kwargs.length > 0
+                   new(*args, **kwargs)
+                 elsif kwargs.length > 0
+                   new(**kwargs)
+                 else
+                   new(*args)
+                 end
       instance.call
 
       instance
diff --git a/spec/scenarios.rb b/spec/scenarios.rb
index 52fe17b..e869ca2 100644
--- a/spec/scenarios.rb
+++ b/spec/scenarios.rb
@@ -12,5 +12,16 @@ def call
   end
 end
 
+class PositionalAndKeyword < Serviz::Base
+  def initialize(positional, keyword:)
+    @positional = positional
+    @keyword    = keyword
+  end
+
+  def call
+    self.result = [@positional, @keyword]
+  end
+end
+
 class NoCall < Serviz::Base
 end
diff --git a/spec/serviz_spec.rb b/spec/serviz_spec.rb
index e5991ee..04acde4 100644
--- a/spec/serviz_spec.rb
+++ b/spec/serviz_spec.rb
@@ -21,4 +21,11 @@
   it "raises exception if #call is not defined" do
     expect { NoCall.call }.to raise_error NotImplementedError
   end
+
+  it "accepts positional and keywords args" do
+    operation = PositionalAndKeyword.call('foo', keyword: 'bar')
+
+    expect(operation.success?).to eq true
+    expect(operation.result).to eq(['foo', 'bar'])
+  end
 end