diff --git a/solargraph.gemspec b/solargraph.gemspec
index 7be8dcb7..b35ffe2e 100755
--- a/solargraph.gemspec
+++ b/solargraph.gemspec
@@ -33,7 +33,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'kramdown-parser-gfm', '~> 1.1'
   s.add_runtime_dependency 'parser', '~> 3.0'
   s.add_runtime_dependency 'rbs', '~> 2.0'
-  s.add_runtime_dependency 'reverse_markdown', '~> 2.0'
+  s.add_runtime_dependency 'reverse_markdown', '>= 2.0', '< 4'
   s.add_runtime_dependency 'rubocop', '~> 1.38'
   s.add_runtime_dependency 'thor', '~> 1.0'
   s.add_runtime_dependency 'tilt', '~> 2.0'