diff --git a/common/dependabot-common.gemspec b/common/dependabot-common.gemspec
index 4689ffb2673..3cf67ee48d9 100644
--- a/common/dependabot-common.gemspec
+++ b/common/dependabot-common.gemspec
@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "octokit", "~> 4.6"
   spec.add_dependency "pandoc-ruby", "~> 2.0"
   spec.add_dependency "parseconfig", "~> 1.0"
-  spec.add_dependency "parser", "~> 2.5"
+  spec.add_dependency "parser", ">= 2.5", "< 4.0"
   spec.add_dependency "toml-rb", ">= 1.1.2", "< 3.0"
 
   spec.add_development_dependency "byebug", "~> 11.0"