diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b6e308d..a75954fa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
         gemfile:
           - Gemfile
           - gemfiles/Gemfile-rails-main
-        ruby: ["3.2", "3.3"]
+        ruby: ["3.3", "3.4"]
         include:
           - gemfile: "gemfiles/Gemfile-rails-main"
             experimental: true
diff --git a/.ruby-version b/.ruby-version
index a0891f56..47b322c9 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.4
+3.4.1
diff --git a/Gemfile.lock b/Gemfile.lock
index da442c91..cbe0f381 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -129,8 +129,6 @@ GEM
     nio4r (2.7.4)
     nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.7-x64-mingw-ucrt)
-      racc (~> 1.4)
     nokogiri (1.16.7-x86_64-darwin)
       racc (~> 1.4)
     nokogiri (1.16.7-x86_64-linux)
@@ -236,7 +234,6 @@ GEM
       sorbet-static-and-runtime (>= 0.5.10187)
       thor (>= 0.19.2)
     sqlite3 (2.1.0-arm64-darwin)
-    sqlite3 (2.1.0-x64-mingw-ucrt)
     sqlite3 (2.1.0-x86_64-darwin)
     sqlite3 (2.1.0-x86_64-linux-gnu)
     stringio (3.1.2)
@@ -253,8 +250,6 @@ GEM
     timeout (0.4.2)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    tzinfo-data (1.2024.2)
-      tzinfo (>= 1.0.0)
     unicode-display_width (2.6.0)
     uri (1.0.1)
     useragent (0.16.10)
@@ -269,7 +264,6 @@ GEM
 
 PLATFORMS
   arm64-darwin
-  x64-mingw-ucrt
   x86_64-darwin
   x86_64-linux
 
@@ -291,4 +285,4 @@ DEPENDENCIES
   tzinfo-data
 
 BUNDLED WITH
-   2.5.19
+   2.6.2