diff --git a/Gemfile b/Gemfile
index 2a5bac2b..d53101c6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem "acts-as-taggable-on", "= 2.1.0"
 gem 'gravatarify', '~> 3.0.0'
 # Needed only on RUBY_VERSION = 1.8, ruby 1.9+ compatible interpreters should bring their csv
 gem "fastercsv", "~> 1.5.0", :platforms => [:ruby_18, :jruby, :mingw_18]
-gem "tzinfo", "~> 0.3.31" # Fixes #903. Not required for Rails >= 3.2
+gem "tzinfo", "~> 0.3.61" # Fixes #903. Not required for Rails >= 3.2
 
 group :test do
   gem 'shoulda', '~> 2.10.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index 546d377e..e22de018 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
     sqlite3 (1.3.5)
     sqlite3-ruby (1.2.5)
     test-unit (2.5.1)
-    tzinfo (0.3.31)
+    tzinfo (0.3.61)
     xpath (0.1.4)
       nokogiri (~> 1.3)
 
@@ -96,4 +96,4 @@ DEPENDENCIES
   sqlite3
   sqlite3-ruby (< 1.3)
   test-unit
-  tzinfo (~> 0.3.31)
+  tzinfo (~> 0.3.61)