diff --git a/Gemfile.lock b/Gemfile.lock
index b33e3f91f0..80059878c4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,6 +50,10 @@ GEM
     Ascii85 (1.1.0)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
+    actioncable (6.0.3.6)
+      actionpack (= 6.0.3.6)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
     actionmailbox (6.0.3.6)
       actionpack (= 6.0.3.6)
       activejob (= 6.0.3.6)