diff --git a/.gitignore b/.gitignore
index af408d27..a6ce8bd9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 _site/
-Gemfile
 Gemfile.lock
 .sass-cache/
 .DS_Store
diff --git a/Gemfile b/Gemfile
index 70f8d954..2c096aa1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,3 +14,4 @@ gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 # Performance-booster for watching directories on Windows
 gem "wdm", "~> 0.1.0" if Gem.win_platform?
 
+gem 'jekyll-multiple-languages-plugin'
diff --git a/_config.yml b/_config.yml
index 355e9fe6..73caaac5 100644
--- a/_config.yml
+++ b/_config.yml
@@ -5,6 +5,8 @@ sass:
   style: compressed
 plugins:
   - jekyll-sitemap
+  - jekyll-multiple-languages-plugin
 sitemap:
 file: "/sitemap.xml"
 include: [".well-known"]
+languages: ["en", "pl"]