diff --git a/grape-cache.gemspec b/grape-cache.gemspec
index 64897c2..291931b 100644
--- a/grape-cache.gemspec
+++ b/grape-cache.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency "digest-murmurhash", "~> 1.1"
-  spec.add_runtime_dependency "grape", "~> 0.18.0"
+  spec.add_runtime_dependency "grape", "~> 0.19.0"
 
   spec.add_development_dependency "bundler", "~> 1.6"
   spec.add_development_dependency "rake"
diff --git a/lib/grape/cache/endpoint_cache_config.rb b/lib/grape/cache/endpoint_cache_config.rb
index 0a57989..560cad4 100644
--- a/lib/grape/cache/endpoint_cache_config.rb
+++ b/lib/grape/cache/endpoint_cache_config.rb
@@ -58,7 +58,7 @@ def validate_cache(endpoint, middleware)
 
       private
       def cache_key_array(endpoint)
-        endpoint.declared(endpoint.params, {}, [])
+        endpoint.declared(endpoint.params)
       end
 
       def create_cache_key(endpoint)
diff --git a/lib/grape/cache/patches.rb b/lib/grape/cache/patches.rb
index 33b146c..b2b18c1 100644
--- a/lib/grape/cache/patches.rb
+++ b/lib/grape/cache/patches.rb
@@ -1,4 +1,4 @@
-# Updated for Grape 0.18
+# Updated for Grape 0.19
 
 require 'grape'