diff --git a/Gemfile.lock b/Gemfile.lock
index 997a06ff..e6de5de4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,9 +1,3 @@
-GIT
-  remote: git://github.com/borovsky/tcpdf.git
-  revision: 756b43580a47be916fc9138eaeb693c95507bc1a
-  specs:
-    tcpdf (1.53.0)
-
 GIT
   remote: git://github.com/technoweenie/acts_as_versioned.git
   revision: 63b1fc8529d028fae632fe80ec0cb25df56cd76b
@@ -11,6 +5,12 @@ GIT
     acts_as_versioned (0.6.0)
       activerecord (>= 3.0.9)
 
+GIT
+  remote: https://github.com/borovsky/tcpdf.git
+  revision: 756b43580a47be916fc9138eaeb693c95507bc1a
+  specs:
+    tcpdf (1.53.0)
+
 GEM
   remote: http://rubygems.org/
   specs:
@@ -167,7 +167,7 @@ GEM
     mime-types (1.25.1)
     mini_magick (3.7.0)
       subexec (~> 0.2.1)
-    mini_portile (0.5.3)
+    mini_portile2 (2.8.0)
     multi_json (1.9.2)
     multi_test (0.1.1)
     mysql2 (0.3.15)
@@ -179,13 +179,15 @@ GEM
     net-ssh-gateway (1.2.0)
       net-ssh (>= 2.6.5)
     nio4r (1.0.0)
-    nokogiri (1.6.1)
-      mini_portile (~> 0.5.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     polyglot (0.3.4)
     pry (0.9.12.6)
       coderay (~> 1.0)
       method_source (~> 0.8)
       slop (~> 3.4)
+    racc (1.6.0)
     rack (1.4.5)
     rack-cache (1.2)
       rack (>= 0.4)