Update gems, hiredis contained a confirmed memory leak

Gemfile.lock

@@ -184,7 +184,7 @@ GEM
     hashie (3.3.2)
     highline (1.6.21)
     hike (1.2.3)
-    hiredis (0.5.2)
+    hiredis (0.6.0)
     hitimes (1.2.2)
     htmlentities (4.3.3)
     i18n (0.6.11)
@@ -291,9 +291,9 @@ GEM
       slop (~> 3.4)
     pry-nav (0.2.4)
       pry (>= 0.9.10, < 0.11.0)
-    pry-rails (0.3.2)
+    pry-rails (0.3.3)
       pry (>= 0.9.10)
-    puma (2.11.0)
+    puma (2.11.1)
       rack (>= 1.1, < 2.0)
     qunit-rails (0.0.7)
       railties
@@ -331,12 +331,12 @@ GEM
     rb-fsevent (0.9.4)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
-    rbtrace (0.4.6)
+    rbtrace (0.4.7)
       ffi (>= 1.0.6)
       msgpack (>= 0.4.3)
       trollop (>= 1.16.2)
     redcarpet (3.1.2)
-    redis (3.2.0)
+    redis (3.2.1)
     redis-namespace (1.5.1)
       redis (~> 3.0, >= 3.0.4)
     ref (1.0.5)