diff --git a/dyndnsd.gemspec b/dyndnsd.gemspec
index ae85cbb..222806b 100644
--- a/dyndnsd.gemspec
+++ b/dyndnsd.gemspec
@@ -44,5 +44,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rubocop', '~> 1.30.0'
   s.add_development_dependency 'rubocop-rake', '~> 0.6.0'
   s.add_development_dependency 'rubocop-rspec', '~> 2.11.1'
-  s.add_development_dependency 'solargraph', '~> 0.44.0'
+  s.add_development_dependency 'solargraph', '~> 0.45.0'
 end