1 files changed, 2 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index 1b7ea9b49f..fc7680c9bf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -107,6 +107,8 @@ group :test do
   platforms :mri do
     gem "stackprof"
     gem "byebug"
+    # FIXME: Remove this when thor 0.21 is release
+    gem "thor", git: "https://github.com/erikhuda/thor.git", ref: "006832ea32480618791f89bb7d9e67b22fc814b9"
   end
 
   gem "benchmark-ips"