diff --git a/Gemfile.lock b/Gemfile.lock
index b10445f..6637638 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,19 +15,22 @@ GEM
       securerandom (>= 0.3)
       tzinfo (~> 2.0)
     base64 (0.3.0)
-    benchmark (0.4.1)
-    bigdecimal (3.2.2)
+    benchmark (0.5.0)
+    bigdecimal (4.1.2)
     byebug (11.1.3)
-    concurrent-ruby (1.3.5)
-    connection_pool (2.5.3)
+    concurrent-ruby (1.3.8)
+    connection_pool (3.0.2)
     diff-lcs (1.6.2)
     drb (2.2.3)
-    i18n (1.14.7)
+    i18n (1.15.2)
       concurrent-ruby (~> 1.0)
-    json (2.13.2)
+    json (2.21.2)
     logger (1.7.0)
-    minitest (5.25.5)
+    minitest (6.0.6)
+      drb (~> 2.0)
+      prism (~> 1.5)
     mutex_m (0.3.0)
+    prism (1.9.0)
     rake (13.3.0)
     rspec (3.13.1)
       rspec-core (~> 3.13.0)
@@ -42,8 +45,8 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.5)
-    securerandom (0.3.2)
-    tracking_number (2.3.0)
+    securerandom (0.4.1)
+    tracking_number (2.4.0)
       activesupport (>= 4.2.5)
       json (>= 1.8.3)
     tzinfo (2.0.6)