diff --git a/.rubocop.yml b/.rubocop.yml
index 4112471..c38b8aa 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -120,6 +120,8 @@ Sequel:
     - app/migration/**/*.rb
 Sequel/ConcurrentIndex:
   Enabled: false
+Sequel/IrreversibleMigration:
+  Enabled: false
 Style/AsciiComments:
   Enabled: false
 Style/ConditionalAssignment:
diff --git a/Gemfile b/Gemfile
index 09cc9b1..3154b4e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '~>4.0'
+ruby '~>3.4.0'
 gem 'feedjira', '~>3.0'
 gem 'ginseng-core', github: 'pooza/ginseng-core', require: 'ginseng'
 gem 'ginseng-fediverse', github: 'pooza/ginseng-fediverse', require: 'ginseng/fediverse'
diff --git a/Gemfile.lock b/Gemfile.lock
index fdc75d7..b45e7b7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/pooza/ginseng-core.git
-  revision: bb33644b31340e82ab1816ead7690b7c6f5cad66
+  revision: d88eaf4916bad3ce14a2f9a0cf2d49aea066cb5c
   specs:
     ginseng-core (1.14.5)
       activesupport (>= 7.0.7.1)
@@ -43,7 +43,7 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (8.0.0)
+    activesupport (8.0.1)
       base64
       benchmark (>= 0.3)
       bigdecimal
@@ -61,21 +61,21 @@ GEM
     ast (2.4.2)
     base64 (0.2.0)
     benchmark (0.4.0)
-    bigdecimal (3.1.8)
+    bigdecimal (3.1.9)
     cgi (0.4.1)
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     crass (1.0.6)
-    csv (3.3.0)
+    csv (3.3.2)
     daemon-spawn (0.4.2)
-    date (3.4.0)
+    date (3.4.1)
     domain_name (0.6.20240107)
     drb (2.2.1)
     erb (4.0.4)
       cgi (>= 0.3.3)
     et-orbi (1.2.11)
       tzinfo
-    etc (1.4.4)
+    etc (1.4.5)
     facets (3.1.0)
     feedjira (3.2.3)
       loofah (>= 2.3.1, < 3)
@@ -86,7 +86,7 @@ GEM
       et-orbi (~> 1, >= 1.2.11)
       raabro (~> 1.4)
     http-accept (1.7.0)
-    http-cookie (1.0.7)
+    http-cookie (1.0.8)
       domain_name (~> 0.5)
     httparty (0.22.0)
       csv
@@ -102,12 +102,13 @@ GEM
       icalendar (>= 2.4)
       ice_cube (>= 0.16)
     ice_cube (0.17.0)
-    json (2.8.2)
-    json-schema (5.1.0)
+    json (2.9.1)
+    json-schema (5.1.1)
       addressable (~> 2.8)
+      bigdecimal (~> 3.1)
     language_server-protocol (3.17.0.3)
-    logger (1.6.1)
-    loofah (2.23.1)
+    logger (1.6.4)
+    loofah (2.24.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -118,14 +119,14 @@ GEM
     mime-types (3.6.0)
       logger
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2024.1105)
+    mime-types-data (3.2024.1203)
     mini_mime (1.1.5)
     mini_portile2 (2.8.8)
-    minitest (5.25.2)
+    minitest (5.25.4)
     multi_json (1.15.0)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
-    net-imap (0.5.1)
+    net-imap (0.5.4)
       date
       net-protocol
     net-pop (0.1.2)
@@ -133,14 +134,13 @@ GEM
     net-protocol (0.2.2)
       timeout
     net-smtp (0.5.0)
-      net-protocol
     netrc (0.11.0)
-    nokogiri (1.16.7)
+    nokogiri (1.18.1)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.16.7-aarch64-linux)
+    nokogiri (1.18.1-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-linux)
+    nokogiri (1.18.1-x86_64-linux-gnu)
       racc (~> 1.4)
     optparse (0.6.0)
     ostruct (0.6.1)
@@ -148,30 +148,30 @@ GEM
     parser (3.3.6.0)
       ast (~> 2.4.1)
       racc
-    power_assert (2.0.4)
+    power_assert (2.0.5)
     public_suffix (6.0.1)
     raabro (1.4.0)
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.2.1)
-    regexp_parser (2.9.2)
+    regexp_parser (2.10.0)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     ricecream (0.2.1)
-    rubocop (1.68.0)
+    rubocop (1.69.2)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 2.4, < 3.0)
-      rubocop-ast (>= 1.32.2, < 2.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.36.2, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.36.1)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.37.0)
       parser (>= 3.3.1.0)
     rubocop-minitest (0.36.0)
       rubocop (>= 1.61, < 2.0)
@@ -181,36 +181,38 @@ GEM
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-sequel (0.3.7)
+    rubocop-sequel (0.3.8)
       rubocop (~> 1.0)
     ruby-progressbar (1.13.0)
     rufus-scheduler (3.9.2)
       fugit (~> 1.1, >= 1.11.1)
-    sanitize (6.1.3)
+    sanitize (7.0.0)
       crass (~> 1.0.2)
-      nokogiri (>= 1.12.0)
+      nokogiri (>= 1.16.8)
     sax-machine (1.3.2)
-    securerandom (0.3.2)
-    sequel (5.86.0)
+    securerandom (0.4.1)
+    sequel (5.88.0)
       bigdecimal
-    set (1.1.0)
-    sqlite3 (2.3.0)
+    set (1.1.1)
+    sqlite3 (2.5.0)
       mini_portile2 (~> 2.8.0)
-    sqlite3 (2.3.0-aarch64-linux-gnu)
-    sqlite3 (2.3.0-x86_64-linux-gnu)
-    syslog (0.1.2)
-    test-unit (3.6.2)
+    sqlite3 (2.5.0-aarch64-linux-gnu)
+    sqlite3 (2.5.0-x86_64-linux-gnu)
+    syslog (0.2.0)
+    test-unit (3.6.7)
       power_assert
     time (0.4.1)
       date
-    timeout (0.4.2)
+    timeout (0.4.3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.6.0)
+    unicode-display_width (3.1.3)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
     uri (1.0.2)
     yajl-ruby (1.4.3)
     zeitwerk (2.7.1)
-    zlib (3.2.0)
+    zlib (3.2.1)
 
 PLATFORMS
   aarch64-linux
@@ -236,7 +238,7 @@ DEPENDENCIES
   test-unit
 
 RUBY VERSION
-   ruby 3.3.5p100
+   ruby 3.4.1p0
 
 BUNDLED WITH
-   2.5.21
+   2.6.2