diff --git a/.standard.yml b/.standard.yml
index 8f2de2ad..39471890 100644
--- a/.standard.yml
+++ b/.standard.yml
@@ -1,6 +1,6 @@
 fix: true
 parallel: true
-ruby_version: 2.4
+ruby_version: 2.7
 
 ignore:
   - 'vendor/**/*'
diff --git a/graphiti.gemspec b/graphiti.gemspec
index 40f9589a..1c7e67ef 100644
--- a/graphiti.gemspec
+++ b/graphiti.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |spec|
   spec.bindir = "exe"
   spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-  spec.required_ruby_version = ">= 2.6"
+  spec.required_ruby_version = ">= 2.7"
 
   spec.add_dependency "jsonapi-serializable", "~> 0.3.0"
   spec.add_dependency "jsonapi-renderer", "~> 0.2", ">= 0.2.2"
diff --git a/lib/graphiti/serializer.rb b/lib/graphiti/serializer.rb
index 6465bd9e..706dbdca 100644
--- a/lib/graphiti/serializer.rb
+++ b/lib/graphiti/serializer.rb
@@ -71,9 +71,9 @@ def as_jsonapi(kwargs = {})
     end
 
     # Allow access to resource methods
-    def method_missing(id, *args, &blk)
+    def method_missing(id, ...)
       if @resource.respond_to?(id, true)
-        @resource.send(id, *args, &blk)
+        @resource.send(id, ...)
       else
         super
       end