diff --git a/Gemfile.lock b/Gemfile.lock
index d674d67..4ada3f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,8 @@ PATH
   remote: .
   specs:
     kmz_compressor (0.0.1)
-      rails (~> 3.1.3)
+      rails (>= 3.1)
+      rubyzip (>= 1.0.0)
 
 GEM
   remote: http://rubygems.org/
@@ -35,7 +36,7 @@ GEM
       activesupport (= 3.1.3)
     activesupport (3.1.3)
       multi_json (~> 1.0)
-    arel (2.2.1)
+    arel (2.2.3)
     builder (3.0.0)
     erubis (2.7.0)
     hike (1.2.1)
@@ -44,13 +45,13 @@ GEM
       railties (~> 3.0)
       thor (~> 0.14)
     json (1.6.4)
-    mail (2.3.0)
+    mail (2.3.3)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    mime-types (1.17.2)
+    mime-types (1.25.1)
     multi_json (1.0.4)
-    polyglot (0.3.3)
+    polyglot (0.3.5)
     rack (1.3.6)
     rack-cache (1.1)
       rack (>= 0.4)
@@ -75,20 +76,20 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (~> 0.14.6)
-    rake (0.9.2.2)
+    rake (13.0.3)
     rdoc (3.12)
       json (~> 1.4)
+    rubyzip (2.3.0)
     sprockets (2.0.3)
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sqlite3 (1.3.5)
     thor (0.14.6)
     tilt (1.3.3)
-    treetop (1.4.10)
+    treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (0.3.31)
+    tzinfo (0.3.60)
 
 PLATFORMS
   ruby
@@ -96,4 +97,3 @@ PLATFORMS
 DEPENDENCIES
   jquery-rails
   kmz_compressor!
-  sqlite3