diff --git a/govuk_tech_docs.gemspec b/govuk_tech_docs.gemspec
index 7b0035a6..6a886b5a 100644
--- a/govuk_tech_docs.gemspec
+++ b/govuk_tech_docs.gemspec
@@ -53,6 +53,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "capybara", "~> 3.32"
   spec.add_development_dependency "jasmine", "~> 3.5.0"
   spec.add_development_dependency "rake", "~> 13.0"
-  spec.add_development_dependency "rspec", "~> 3.9.0"
+  spec.add_development_dependency "rspec", "~> 3.12.0"
   spec.add_development_dependency "rubocop-govuk", "~> 4.10.0"
 end