diff --git a/Gemfile.lock b/Gemfile.lock
index 4d0be9395..f7a377d45 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -376,9 +376,9 @@ GEM
     paperclip (6.0.0)
       activemodel (>= 4.2.0)
       activesupport (>= 4.2.0)
-      cocaine (~> 0.5.5)
       mime-types
       mimemagic (~> 0.3.0)
+      terrapin (~> 0.6.0)
     paperclip-av-transcoder (0.6.4)
       av (~> 0.9.0)
       paperclip (>= 2.5.2)
@@ -588,6 +588,8 @@ GEM
     temple (0.8.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
+    terrapin (0.6.0)
+      climate_control (>= 0.0.3, < 1.0)
     thor (0.20.0)
     thread (0.2.2)
     thread_safe (0.3.6)
@@ -611,7 +613,7 @@ GEM
     tty-screen (0.6.4)
     twitter-text (1.14.7)
       unf (~> 0.1.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     tzinfo-data (1.2018.4)
       tzinfo (>= 1.0.0)