diff --git a/Gemfile b/Gemfile
index c99d6dd..3be9c3c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,2 @@
 source "https://rubygems.org"
-
-gem "jekyll"
+gemspec
diff --git a/freelancer-theme-jekyll.gemspec b/freelancer-theme-jekyll.gemspec
new file mode 100644
index 0000000..a07be6c
--- /dev/null
+++ b/freelancer-theme-jekyll.gemspec
@@ -0,0 +1,28 @@
+# coding: utf-8
+
+Gem::Specification.new do |spec|
+  spec.name                    = "freelancer-theme-jekyll"
+  spec.version                 = "1.0.0"
+  spec.authors                 = ["Start Bootstrap"]
+
+  spec.summary                 = %q{Freelancer is a one page Bootstrap portfolio theme for freelancers.}
+  spec.homepage                = "https://github.com/jeromelachaud/freelancer-theme"
+  spec.licenses                = ["MIT"]
+
+  spec.metadata["plugin_type"] = "theme"
+
+  spec.files                   = `git ls-files -z`.split("\x0").select do |f|
+    f.match(%r{^(assets|_(includes|layouts|posts)/|(LICENSE|README)((\.(txt|md|markdown)|$)))}i)
+  end
+
+  spec.add_runtime_dependency "jekyll", "~> 3.6"
+  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-data", "~> 1.0"
+  spec.add_runtime_dependency "jemoji", "~> 0.8"
+
+  spec.add_development_dependency "bundler", "~> 1.12"
+  spec.add_development_dependency "rake", "~> 10.0"
+end