diff --git a/Gemfile b/Gemfile
index 09b50fe..3cc8509 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,6 @@ source "https://rubygems.org"
 gem "sinatra"
 gem "sinatra-contrib"
 gem "puma"
-gem "rackup"
 
 gem "anyflake"
 gem "ksuid"
diff --git a/Gemfile.lock b/Gemfile.lock
index 3fe9874..72607ad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,8 +45,6 @@ GEM
       rack (>= 3.0.0)
     rack-test (2.2.0)
       rack (>= 1.3)
-    rackup (2.2.1)
-      rack (>= 3)
     rainbow (3.1.1)
     rake (13.2.1)
     rbs (3.9.2)
@@ -138,7 +136,6 @@ DEPENDENCIES
   nanoid
   puma
   rack-test
-  rackup
   rake
   rspec
   ruby-lsp