diff --git a/Gemfile.lock b/Gemfile.lock
index 917b337..12c405c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,16 +106,16 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.1.10)
     crass (1.0.6)
     debug_inspector (1.1.0)
     digest (3.1.0)
     erubi (1.10.0)
     execjs (2.8.1)
     ffi (1.15.5)
-    globalid (1.0.0)
+    globalid (1.0.1)
       activesupport (>= 5.0)
-    i18n (1.10.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     io-like (0.3.1)
     io-wait (0.2.1)
@@ -138,7 +138,7 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    minitest (5.15.0)
+    minitest (5.17.0)
     msgpack (1.4.5)
     net-imap (0.2.3)
       digest
@@ -240,7 +240,7 @@ GEM
     thor (1.2.1)
     tilt (2.0.10)
     timeout (0.2.0)
-    tzinfo (2.0.4)
+    tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)