diff --git a/Gemfile.lock b/Gemfile.lock
index 4df00ac..25f416c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -112,7 +112,7 @@ GEM
     minitest (5.20.0)
     mutex_m (0.1.2)
     nenv (0.3.0)
-    net-imap (0.4.2)
+    net-imap (0.4.4)
       date
       net-protocol
     net-pop (0.1.2)
@@ -161,7 +161,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (5.0.3)
-    racc (1.7.1)
+    racc (1.7.3)
     rack (3.0.8)
     rack-oauth2 (1.21.3)
       activesupport