diff --git a/ext/mini_racer_extension/mini_racer_extension.cc b/ext/mini_racer_extension/mini_racer_extension.cc
index e4d9d79..417172d 100644
--- a/ext/mini_racer_extension/mini_racer_extension.cc
+++ b/ext/mini_racer_extension/mini_racer_extension.cc
@@ -1,8 +1,8 @@
 #include <stdio.h>
 #include <ruby.h>
 #include <ruby/thread.h>
-#include <include/v8.h>
-#include <include/libplatform/libplatform.h>
+#include <v8.h>
+#include <libplatform/libplatform.h>
 #include <ruby/encoding.h>
 #include <pthread.h>
 #include <unistd.h>
diff --git a/mini_racer.gemspec b/mini_racer.gemspec
index b852d55..e8485df 100644
--- a/mini_racer.gemspec
+++ b/mini_racer.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "minitest", "~> 5.0"
   spec.add_development_dependency "rake-compiler"
 
-  spec.add_dependency 'libv8', '~> 5.0', '< 5.1.11'
+  spec.add_dependency 'libv8', '~> 5.1'
   spec.require_paths = ["lib", "ext"]
 
   spec.extensions = ["ext/mini_racer_extension/extconf.rb"]