diff --git a/minimal-mistakes-jekyll.gemspec b/minimal-mistakes-jekyll.gemspec
index 113cce0f..d5330374 100644
--- a/minimal-mistakes-jekyll.gemspec
+++ b/minimal-mistakes-jekyll.gemspec
@@ -15,14 +15,14 @@ Gem::Specification.new do |spec|
     f.match(%r{^(assets|_(data|includes|layouts|sass)/|(LICENSE|README|CHANGELOG)((\.(txt|md|markdown)|$)))}i)
   end
 
-  spec.add_runtime_dependency "jekyll", "~> 3.6"
+  spec.add_runtime_dependency "jekyll", "~> 3.7"
   spec.add_runtime_dependency "jekyll-paginate", "~> 1.1"
-  spec.add_runtime_dependency "jekyll-sitemap", "~> 1.1"
-  spec.add_runtime_dependency "jekyll-gist", "~> 1.4"
-  spec.add_runtime_dependency "jekyll-feed", "~> 0.9.2"
+  spec.add_runtime_dependency "jekyll-sitemap", "~> 1.2"
+  spec.add_runtime_dependency "jekyll-gist", "~> 1.5"
+  spec.add_runtime_dependency "jekyll-feed", "~> 0.10"
   spec.add_runtime_dependency "jekyll-data", "~> 1.0"
-  spec.add_runtime_dependency "jemoji", "~> 0.8"
+  spec.add_runtime_dependency "jemoji", "~> 0.10"
 
-  spec.add_development_dependency "bundler", "~> 1.12"
+  spec.add_development_dependency "bundler", "~> 1.15"
   spec.add_development_dependency "rake", "~> 10.0"
 end