diff --git a/Gemfile.lock b/Gemfile.lock
index 2e4bff5b9..78690f68b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -197,7 +197,7 @@ GEM
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    date (3.3.4)
+    date (3.4.1)
     device_detector (1.1.3)
     devise (4.9.4)
       bcrypt (~> 3.0)
@@ -333,7 +333,7 @@ GEM
       activerecord
       activesupport
     nested_form (0.3.2)
-    net-imap (0.4.14)
+    net-imap (0.4.19)
       date
       net-protocol
     net-pop (0.1.2)
@@ -586,7 +586,7 @@ GEM
       execjs (>= 0.3.0, < 3)
     thor (1.3.2)
     tilt (2.4.0)
-    timeout (0.4.1)
+    timeout (0.4.3)
     tins (1.33.0)
       bigdecimal
       sync