diff --git a/Gemfile b/Gemfile
index ce9b833..49ddf1a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -28,6 +28,9 @@ gem 'omniauth-google-oauth2'
 gem 'omniauth-twitter'
 gem 'omniauth-github'
 gem 'omniauth-shibboleth'
+# Version 0.8 does not compile, so let's try tag 0.8.1 from github
+# This is a dependency of omniauth-kerberos
+gem "timfel-krb5-auth", '0.8.1.1', :require => 'krb5_auth', :git => "https://github.com/fritteli/krb5-auth.git", :tag => "v0.8.1.1"
 gem 'omniauth-kerberos'
 
 # Extracting information from a git repository
@@ -155,6 +158,10 @@ gem "underscore-rails", "~> 1.4.4"
 # Sanitize user input
 gem "sanitize", '~> 2.0'
 
+# The newer revision of charlock_holmes that is finally fixed to
+# be compatible with Gentoo
+gem "charlock_holmes", git: "https://github.com/brianmario/charlock_holmes.git", ref: "dde194609b3513b0d2369ce8f916ae52566154b4"
+
 # Protect against bruteforcing
 gem "rack-attack"
 
@@ -170,7 +177,6 @@ gem 'semantic-ui-sass', '~> 0.16.1.0'
 gem "sass-rails", '~> 4.0.2'
 gem "coffee-rails"
 gem "uglifier"
-gem "therubyracer"
 gem 'turbolinks'
 gem 'jquery-turbolinks'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index a93935f..66e2c22 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,17 @@
+GIT
+  remote: https://github.com/brianmario/charlock_holmes.git
+  revision: dde194609b3513b0d2369ce8f916ae52566154b4
+  ref: dde194609b3513b0d2369ce8f916ae52566154b4
+  specs:
+    charlock_holmes (0.6.9.4)
+
+GIT
+  remote: https://github.com/fritteli/krb5-auth.git
+  revision: 14e09f7fdd79962b146e0a6513fdb1b8e64c221b
+  tag: v0.8.1.1
+  specs:
+    timfel-krb5-auth (0.8.1.1)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -62,7 +76,6 @@ GEM
       json (>= 1.7)
     celluloid (0.15.2)
       timers (~> 1.1.0)
-    charlock_holmes (0.6.9.4)
     cliver (0.3.2)
     code_analyzer (0.4.3)
       sexp_processor
@@ -280,7 +293,6 @@ GEM
       addressable (~> 2.3)
     letter_opener (1.1.2)
       launchy (~> 2.2)
-    libv8 (3.16.14.7)
     listen (2.3.1)
       celluloid (>= 0.15.2)
       rb-fsevent (>= 0.9.3)
@@ -426,7 +438,6 @@ GEM
       redis-store (~> 1.1.0)
     redis-store (1.1.4)
       redis (>= 2.2)
-    ref (1.0.5)
     request_store (1.0.5)
     require_all (1.3.2)
     rest-client (1.6.7)
@@ -525,9 +536,6 @@ GEM
     term-ansicolor (1.2.2)
       tins (~> 0.8)
     test_after_commit (0.2.2)
-    therubyracer (0.12.0)
-      libv8 (~> 3.16.14.0)
-      ref
     thin (1.6.1)
       daemons (>= 1.0.9)
       eventmachine (>= 1.0.0)
@@ -536,7 +544,6 @@ GEM
     thread_safe (0.3.4)
     tilt (1.4.1)
     timers (1.1.0)
-    timfel-krb5-auth (0.8)
     tinder (1.9.3)
       eventmachine (~> 1.0)
       faraday (~> 0.8)
@@ -606,6 +613,7 @@ DEPENDENCIES
   bootstrap-sass (~> 3.0)
   capybara (~> 2.2.1)
   carrierwave
+  charlock_holmes!
   coffee-rails
   colored
   coveralls
@@ -704,8 +712,8 @@ DEPENDENCIES
   stamp
   state_machine
   test_after_commit
-  therubyracer
   thin
+  timfel-krb5-auth (= 0.8.1.1)!
   tinder (~> 1.9.2)
   turbolinks
   uglifier