diff --git a/server/src/main/webapp/WEB-INF/rails/Gemfile.lock b/server/src/main/webapp/WEB-INF/rails/Gemfile.lock
index 2bbb071168b..dda778a9595 100644
--- a/server/src/main/webapp/WEB-INF/rails/Gemfile.lock
+++ b/server/src/main/webapp/WEB-INF/rails/Gemfile.lock
@@ -72,7 +72,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.1)
     crass (1.0.6)
     dartsass-sprockets (3.1.0)
       railties (>= 4.0.0)