Gemfile: pin rdoc version 4

rdoc version 5.0.0 requires RubyGems version >= 2.2.

git-svn-id: http://svn.redmine.org/redmine/trunk@15945 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 1 insertions, 1 deletions

diff --git a/Gemfile b/Gemfile
index c2bfe94ac..818ea653b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -93,7 +93,7 @@ else
 end
 
 group :development do
-  gem "rdoc", ">= 2.4.2"
+  gem "rdoc", "~> 4.3"
   gem "yard"
 end