diff --git a/Gemfile b/Gemfile
index b3b15fba..cb7a9a93 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ group :development, :test do
   gem "standard-performance"
   gem "simplecov", "~> 0.22.0"
   gem "simplecov-cobertura", "~> 3.0"
-  gem "steep", "~> 1.9"
+  gem "steep", "~> 2.0"
   gem "timecop", "~> 0.9.10"
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 2159570c..3787971d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,25 +6,11 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (8.1.2)
-      base64
-      bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.3.1)
-      connection_pool (>= 2.2.5)
-      drb
-      i18n (>= 1.6, < 2)
-      json
-      logger (>= 1.4.2)
-      minitest (>= 5.1)
-      securerandom (>= 0.3)
-      tzinfo (~> 2.0, >= 2.0.5)
-      uri (>= 0.13.1)
     ast (2.4.3)
     base64 (0.3.0)
-    bigdecimal (4.0.1)
+    bigdecimal (4.1.1)
     builder (3.3.0)
     concurrent-ruby (1.3.6)
-    connection_pool (3.0.2)
     csv (3.3.5)
     cucumber (10.2.0)
       base64 (~> 0.2)
@@ -57,12 +43,9 @@ GEM
       reline (>= 0.3.8)
     diff-lcs (1.6.2)
     docile (1.4.1)
-    drb (2.2.3)
     erb (6.0.2)
-    ffi (1.17.3)
+    ffi (1.17.4)
     fileutils (1.8.0)
-    i18n (1.14.8)
-      concurrent-ruby (~> 1.0)
     io-console (0.8.2)
     irb (1.17.0)
       pp (>= 0.6.0)
@@ -80,13 +63,9 @@ GEM
     markly (0.16.0)
     memoist3 (1.0.0)
     mini_mime (1.1.5)
-    minitest (6.0.2)
-      drb (~> 2.0)
-      prism (~> 1.5)
     multi_test (1.1.0)
-    mutex_m (0.3.0)
     parallel (1.27.0)
-    parser (3.3.10.2)
+    parser (3.3.11.1)
       ast (~> 2.4.1)
       racc
     pp (0.6.3)
@@ -102,8 +81,9 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rbs (3.10.3)
+    rbs (4.0.2)
       logger
+      prism (>= 1.6.0)
       tsort
     rdoc (7.2.0)
       erb
@@ -167,8 +147,7 @@ GEM
     standard-performance (1.9.0)
       lint_roller (~> 1.1)
       rubocop-performance (~> 1.26.0)
-    steep (1.10.0)
-      activesupport (>= 5.1)
+    steep (2.0.0)
       concurrent-ruby (>= 1.1.10)
       csv (>= 3.0.9)
       fileutils (>= 1.1.0)
@@ -176,16 +155,16 @@ GEM
       language_server-protocol (>= 3.17.0.4, < 4.0)
       listen (~> 3.0)
       logger (>= 1.3.0)
-      mutex_m (>= 0.3.0)
-      parser (>= 3.1)
+      parser (>= 3.2)
+      prism (>= 0.25.0)
       rainbow (>= 2.2.2, < 4.0)
-      rbs (~> 3.9)
+      rbs (~> 4.0)
       securerandom (>= 0.1)
       strscan (>= 1.0.0)
       terminal-table (>= 2, < 5)
       uri (>= 0.12.0)
     stringio (3.2.0)
-    strscan (3.1.7)
+    strscan (3.1.8)
     sys-uname (1.5.0)
       ffi (~> 1.1)
       memoist3 (~> 1.0.0)
@@ -193,8 +172,6 @@ GEM
       unicode-display_width (>= 1.1.1, < 4)
     timecop (0.9.11)
     tsort (0.2.0)
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
     unicode-emoji (4.2.0)
@@ -225,7 +202,7 @@ DEPENDENCIES
   simplecov-cobertura (~> 3.0)
   standard
   standard-performance
-  steep (~> 1.9)
+  steep (~> 2.0)
   timecop (~> 0.9.10)
 
 BUNDLED WITH