diff --git a/Gemfile b/Gemfile
index c59d9c8..7f4f5e9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,5 +3,3 @@
 source 'https://rubygems.org'
 
 gemspec
-
-gem 'solargraph', git: 'https://github.com/zaratan/solargraph.git', branch: 'fix_rubocop_1_0'
diff --git a/dyndnsd.gemspec b/dyndnsd.gemspec
index 4a713f6..26a74b5 100644
--- a/dyndnsd.gemspec
+++ b/dyndnsd.gemspec
@@ -41,5 +41,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec'
   s.add_development_dependency 'rubocop', '~> 1.6.1'
-  # s.add_development_dependency 'solargraph', '~> 0.39.0'
+  s.add_development_dependency 'solargraph', '~> 0.40.0'
 end