diff --git a/api/Gemfile.lock b/api/Gemfile.lock
index d6a6b893c..9c06980e9 100644
--- a/api/Gemfile.lock
+++ b/api/Gemfile.lock
@@ -181,7 +181,7 @@ GEM
     multi_json (1.15.0)
     mutex_m (0.3.0)
     mysql2 (0.5.6)
-    net-imap (0.5.5)
+    net-imap (0.5.6)
       date
       net-protocol
     net-pop (0.1.2)