diff --git a/backup/Gemfile.lock b/backup/Gemfile.lock
index a9639c84..c00444c7 100644
--- a/backup/Gemfile.lock
+++ b/backup/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
       aws-eventstream (~> 1, >= 1.0.2)
     buftok (0.2.0)
     builder (3.2.4)
-    date (3.3.3)
+    date (3.5.1)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     dotenv (2.8.1)
@@ -241,12 +241,12 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.2.3)
     naught (1.1.0)
-    net-imap (0.3.4)
+    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-scp (1.2.1)
       net-ssh (>= 2.6.5)
@@ -282,7 +282,7 @@ GEM
     simple_oauth (0.3.1)
     thor (0.20.3)
     thread_safe (0.3.6)
-    timeout (0.3.1)
+    timeout (0.6.1)
     twitter (5.17.0)
       addressable (~> 2.3)
       buftok (~> 0.2.0)