diff --git a/Gemfile.lock b/Gemfile.lock
index c336b44..09438e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
   specs:
     base64 (0.3.0)
     citrus (3.0.2)
-    date (3.4.1)
+    date (3.5.1)
     diff-lcs (1.6.2)
     finitio (0.12.2)
       citrus (>= 3.0, < 4.0)
@@ -30,7 +30,7 @@ GEM
     mustache (1.1.1)
     mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    net-imap (0.3.9)
+    net-imap (0.4.24)
       date
       net-protocol
     net-pop (0.1.2)
@@ -72,7 +72,7 @@ GEM
       rack-protection (= 3.2.0)
       tilt (~> 2.0)
     tilt (2.6.1)
-    timeout (0.4.3)
+    timeout (0.6.1)
 
 PLATFORMS
   ruby