diff --git a/Gemfile.lock b/Gemfile.lock
index 8590289..0cb06f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,8 +43,6 @@ GEM
     docile (1.1.5)
     eventmachine (1.0.7)
     excon (0.31.0)
-    fission (0.5.0)
-      CFPropertyList (~> 2.2)
     fluent-logger (0.4.9)
       msgpack (>= 0.4.4, < 0.6.0, != 0.5.3, != 0.5.2, != 0.5.1, != 0.5.0)
       yajl-ruby (~> 1.0)
@@ -123,7 +121,7 @@ GEM
     webmock (1.18.0)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
-    yajl-ruby (1.2.1)
+    yajl-ruby (1.4.1)
 
 PLATFORMS
   ruby