diff --git a/Gemfile b/Gemfile
index fa89a88..5d40ceb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -73,3 +73,6 @@ gem 'devise'
 gem 'gravatar_image_tag'
 gem 'hirb'
 gem 'simple_form'
+gem 'omniauth'
+gem 'omniauth-google'
+gem 'omniauth-github'
diff --git a/Gemfile.lock b/Gemfile.lock
index 6edd074..e497cb2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,6 +59,7 @@ GEM
     addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
+    base64 (0.2.0)
     bcrypt (3.1.20)
     better_errors (2.10.1)
       erubi (>= 1.0.0)
@@ -104,6 +105,11 @@ GEM
       railties (>= 5.0.0)
     faker (3.2.2)
       i18n (>= 1.8.11, < 2)
+    faraday (2.7.12)
+      base64
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.2)
     ffi (1.16.3)
     formatador (1.1.0)
     globalid (1.1.0)
@@ -128,6 +134,7 @@ GEM
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
+    hashie (5.0.0)
     hirb (0.7.3)
     http_parser.rb (0.8.0)
     i18n (1.14.1)
@@ -136,6 +143,7 @@ GEM
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
     json (2.7.0)
+    jwt (2.7.1)
     language_server-protocol (3.17.0.3)
     launchy (2.5.2)
       addressable (~> 2.8)
@@ -159,6 +167,7 @@ GEM
     minitest (5.20.0)
     msgpack (1.7.2)
     multi_json (1.15.0)
+    multi_xml (0.6.0)
     nenv (0.3.0)
     net-imap (0.3.7)
       date
@@ -176,6 +185,35 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    oauth (1.1.0)
+      oauth-tty (~> 1.0, >= 1.0.1)
+      snaky_hash (~> 2.0)
+      version_gem (~> 1.1)
+    oauth-tty (1.0.5)
+      version_gem (~> 1.1, >= 1.1.1)
+    oauth2 (2.0.9)
+      faraday (>= 0.17.3, < 3.0)
+      jwt (>= 1.0, < 3.0)
+      multi_xml (~> 0.5)
+      rack (>= 1.2, < 4)
+      snaky_hash (~> 2.0)
+      version_gem (~> 1.1)
+    omniauth (1.9.2)
+      hashie (>= 3.4.6)
+      rack (>= 1.6.2, < 3)
+    omniauth-github (1.4.0)
+      omniauth (~> 1.5)
+      omniauth-oauth2 (>= 1.4.0, < 2.0)
+    omniauth-google (1.0.2)
+      multi_json
+      omniauth (~> 1.0)
+      omniauth-oauth
+    omniauth-oauth (1.2.0)
+      oauth
+      omniauth (>= 1.0, < 3)
+    omniauth-oauth2 (1.7.3)
+      oauth2 (>= 1.4, < 3)
+      omniauth (>= 1.9, < 3)
     orm_adapter (0.5.0)
     parallel (1.23.0)
     parser (3.2.2.4)
@@ -277,6 +315,7 @@ GEM
       rubocop (>= 1.33.0, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)
     ruby-progressbar (1.13.0)
+    ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     sass-rails (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
@@ -298,6 +337,9 @@ GEM
     simple_form (5.3.0)
       actionpack (>= 5.2)
       activemodel (>= 5.2)
+    snaky_hash (2.0.1)
+      hashie
+      version_gem (~> 1.1, >= 1.1.1)
     spring (2.1.1)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
@@ -323,6 +365,7 @@ GEM
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (2.5.0)
+    version_gem (1.1.3)
     warden (1.2.9)
       rack (>= 2.0.9)
     web-console (4.2.1)
@@ -366,6 +409,9 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   launchy
   listen (~> 3.2)
+  omniauth
+  omniauth-github
+  omniauth-google
   pg (>= 0.18.4)
   puma (~> 4.1)
   rails (~> 6.0.3, >= 6.0.3.4)