diff --git a/Gemfile.lock b/Gemfile.lock
index 296063a91ae..d273f995ddb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -765,7 +765,7 @@ GEM
       method_source
       rake (>= 0.13)
       thor (~> 1.0)
-    rainbow (3.0.0)
+    rainbow (3.1.1)
     rake (13.0.6)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)