diff --git a/Gemfile.lock b/Gemfile.lock
index 83e4539..f3897fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,7 @@ GEM
     builder (3.2.4)
     concurrent-ruby (1.2.2)
     crass (1.0.6)
-    date (3.3.3)
+    date (3.5.1)
     erubi (1.12.0)
     globalid (1.1.0)
       activesupport (>= 5.0)
@@ -92,12 +92,12 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.4)
     minitest (5.19.0)
-    net-imap (0.3.7)
+    net-imap (0.4.24)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
-    net-protocol (0.2.1)
+    net-protocol (0.2.2)
       timeout
     net-smtp (0.3.3)
       net-protocol
@@ -151,7 +151,7 @@ GEM
     sqlite3 (1.6.3)
       mini_portile2 (~> 2.8.0)
     thor (1.2.2)
-    timeout (0.4.0)
+    timeout (0.6.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     websocket-driver (0.7.6)