diff --git a/ext/nokogiri/extconf.rb b/ext/nokogiri/extconf.rb
index de0eb548b9..03f72373f4 100644
--- a/ext/nokogiri/extconf.rb
+++ b/ext/nokogiri/extconf.rb
@@ -15,7 +15,7 @@
 REQUIRED_LIBXML_VERSION = "2.6.21"
 RECOMMENDED_LIBXML_VERSION = "2.9.3"
 
-REQUIRED_MINI_PORTILE_VERSION = "~> 2.7.0" # keep this version in sync with the one in the gemspec
+REQUIRED_MINI_PORTILE_VERSION = "~> 2.8.0" # keep this version in sync with the one in the gemspec
 REQUIRED_PKG_CONFIG_VERSION = "~> 1.1"
 
 # Keep track of what versions of what libraries we build against
diff --git a/nokogiri.gemspec b/nokogiri.gemspec
index 6bc57a50ad..75036af269 100644
--- a/nokogiri.gemspec
+++ b/nokogiri.gemspec
@@ -318,7 +318,7 @@ Gem::Specification.new do |spec|
   spec.extra_rdoc_files += Dir.glob("README.md")
   spec.rdoc_options = ["--main", "README.md"]
 
-  spec.add_runtime_dependency("mini_portile2", "~> 2.7.0") unless java_p # keep version in sync with extconf.rb
+  spec.add_runtime_dependency("mini_portile2", "~> 2.8.0") unless java_p # keep version in sync with extconf.rb
   spec.add_runtime_dependency("racc", "~> 1.4")
 
   spec.add_development_dependency("bundler", "~> 2.2")