diff --git a/.tool-versions b/.tool-versions
index 3f03c7a..97c86d6 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-ruby 3.4.7
+ruby 4.0.0
diff --git a/Gemfile.lock b/Gemfile.lock
index 5292561..2048d49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
     bindex (0.8.1)
     bootsnap (1.18.6)
       msgpack (~> 1.2)
-    brakeman (7.1.1)
+    brakeman (7.1.2)
       racc
     builder (3.3.0)
     concurrent-ruby (1.3.5)
@@ -120,7 +120,7 @@ GEM
     jbuilder (2.14.1)
       actionview (>= 7.0.0)
       activesupport (>= 7.0.0)
-    json (2.15.2)
+    json (2.18.0)
     kamal (2.8.2)
       activesupport (>= 7.0)
       base64 (~> 0.2)
@@ -146,7 +146,9 @@ GEM
       net-smtp
     marcel (1.1.0)
     mini_mime (1.1.5)
-    minitest (5.26.0)
+    mini_portile2 (2.8.9)
+    minitest (6.0.1)
+      prism (~> 1.5)
     msgpack (1.8.0)
     net-imap (0.5.12)
       date
@@ -163,6 +165,9 @@ GEM
       net-protocol
     net-ssh (7.3.0)
     nio4r (2.7.5)
+    nokogiri (1.18.10)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     nokogiri (1.18.10-aarch64-linux-gnu)
       racc (~> 1.4)
     nokogiri (1.18.10-aarch64-linux-musl)
@@ -185,7 +190,7 @@ GEM
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
-    prism (1.6.0)
+    prism (1.7.0)
     propshaft (1.3.1)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
@@ -262,7 +267,7 @@ GEM
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
     rspec-support (3.13.6)
-    rubocop (1.81.7)
+    rubocop (1.82.1)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -270,12 +275,12 @@ GEM
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.47.1, < 2.0)
+      rubocop-ast (>= 1.48.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.47.1)
+    rubocop-ast (1.49.0)
       parser (>= 3.3.7.2)
-      prism (~> 1.4)
+      prism (~> 1.7)
     rubocop-performance (1.26.1)
       lint_roller (~> 1.1)
       rubocop (>= 1.75.0, < 2.0)
@@ -316,11 +321,10 @@ GEM
       concurrent-ruby (~> 1.0)
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
-    unicode-emoji (4.1.0)
+    unicode-emoji (4.2.0)
     uri (1.1.1)
     useragent (0.16.11)
-    vcr (6.3.1)
-      base64
+    vcr (6.4.0)
     web-console (4.2.1)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -369,4 +373,4 @@ DEPENDENCIES
   webmock (= 3.26.1)
 
 BUNDLED WITH
-   2.7.2
+  4.0.3