coordinate tzinfo to be compatible w/ activesupport

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rbtc_arbitrage (2.4.3)
+    rbtc_arbitrage (2.4.4)
       activemodel (~> 4.0)
       activesupport (~> 4.0)
       bitstamp-rbtc-arbitrage (= 0.4.0)
@@ -15,22 +15,21 @@ PATH
       stathat (= 0.1.7)
       tco (= 0.1.0)
       thor (= 0.18.1)
-      tzinfo (= 0.3.39)
+      tzinfo (~> 1.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (4.0.4)
-      activesupport (= 4.0.4)
-      builder (~> 3.1.0)
-    activesupport (4.0.4)
+    activemodel (4.1.5)
+      activesupport (= 4.1.5)
+      builder (~> 3.1)
+    activesupport (4.1.5)
       i18n (~> 0.6, >= 0.6.9)
-      minitest (~> 4.2)
-      multi_json (~> 1.3)
+      json (~> 1.7, >= 1.7.7)
+      minitest (~> 5.1)
       thread_safe (~> 0.1)
-      tzinfo (~> 0.3.37)
+      tzinfo (~> 1.1)
     addressable (2.3.5)
-    atomic (1.1.16)
     bitstamp-rbtc-arbitrage (0.4.0)
       activemodel (>= 3.1)
       activesupport
@@ -40,7 +39,7 @@ GEM
       tzinfo
     btce (0.2.4)
       monkey-patch
-    builder (3.1.4)
+    builder (3.2.2)
     celluloid (0.15.2)
       timers (~> 1.1.0)
     codeclimate-test-reporter (0.2.0)
@@ -96,14 +95,14 @@ GEM
       mime-types (>= 1.16, < 3)
     method_source (0.8.2)
     mime-types (2.0)
-    minitest (4.7.5)
+    minitest (5.4.0)
     monetize (0.3.0)
       money (~> 6.1.0.beta1)
     money (6.1.1)
       i18n (~> 0.6.4)
     monkey-patch (0.0.16)
       activesupport
-    multi_json (1.9.2)
+    multi_json (1.10.1)
     multi_xml (0.5.5)
     multipart-post (1.2.0)
     oauth2 (0.9.4)
@@ -157,12 +156,12 @@ GEM
     term-ansicolor (1.2.2)
       tins (~> 0.8)
     thor (0.18.1)
-    thread_safe (0.3.1)
-      atomic (>= 1.1.7, < 2)
+    thread_safe (0.3.4)
     tilt (1.4.1)
     timers (1.1.0)
     tins (0.13.1)
-    tzinfo (0.3.39)
+    tzinfo (1.2.2)
+      thread_safe (~> 0.1)
     vcr (2.8.0)
     webmock (1.16.1)
       addressable (>= 2.2.7)

lib/rbtc_arbitrage/version.rb

@@ -1,3 +1,3 @@
 module RbtcArbitrage
-  VERSION = "2.4.3"
+  VERSION = "2.4.4"
 end

rbtc_arbitrage.gemspec

@@ -32,6 +32,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency "pony", '1.10'
   spec.add_dependency "tco", "0.1.0"
   spec.add_dependency "bitstamp-rbtc-arbitrage", "0.4.0"
-  spec.add_dependency "tzinfo", '0.3.39'
+  spec.add_dependency "tzinfo", '~> 1.1'
   spec.add_dependency "mail", "2.6.1"
 end