diff --git a/Gemfile.lock b/Gemfile.lock
index 77d8192..8341565 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,9 +37,8 @@ GEM
     rack (3.1.8)
     rack-test (2.1.0)
       rack (>= 1.3)
-    rackup (2.1.0)
+    rackup (2.2.0)
       rack (>= 3)
-      webrick (~> 1.8)
     rainbow (3.1.1)
     regexp_parser (2.9.2)
     rexml (3.3.9)
@@ -76,7 +75,7 @@ GEM
     rubocop-sequel (0.3.6)
       rubocop (~> 1.0)
     ruby-progressbar (1.13.0)
-    sequel (5.85.0)
+    sequel (5.86.0)
       bigdecimal
     sqlite3 (2.2.0)
       mini_portile2 (~> 2.8.0)
@@ -89,7 +88,6 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.8.2)
 
 PLATFORMS
   ruby