diff --git a/frameworks/Ruby/rack-sequel/Gemfile b/frameworks/Ruby/rack-sequel/Gemfile
index 93632125c9e..bd353d6210f 100644
--- a/frameworks/Ruby/rack-sequel/Gemfile
+++ b/frameworks/Ruby/rack-sequel/Gemfile
@@ -19,4 +19,5 @@ end
 
 group :unicorn, optional: true do
   gem 'unicorn', '~> 6.1', platforms: [:ruby, :mswin], require: false
+  gem 'logger' # required by unicorn on Ruby 3.5
 end
diff --git a/frameworks/Ruby/rack-sequel/Gemfile.lock b/frameworks/Ruby/rack-sequel/Gemfile.lock
index 6216dbfb065..2758d3347a1 100644
--- a/frameworks/Ruby/rack-sequel/Gemfile.lock
+++ b/frameworks/Ruby/rack-sequel/Gemfile.lock
@@ -4,6 +4,7 @@ GEM
     bigdecimal (3.1.9)
     json (2.10.1)
     kgio (2.11.4)
+    logger (1.7.0)
     mysql2 (0.5.6)
     nio4r (2.7.4)
     pg (1.5.9)
@@ -27,6 +28,7 @@ PLATFORMS
 
 DEPENDENCIES
   json (~> 2.8)
+  logger
   mysql2 (~> 0.4)
   pg (~> 1.5)
   puma (~> 6.5)
diff --git a/frameworks/Ruby/rack-sequel/rack-sequel-postgres-unicorn-mri.dockerfile b/frameworks/Ruby/rack-sequel/rack-sequel-postgres-unicorn-mri.dockerfile
index e7271257774..a5d76c285a1 100644
--- a/frameworks/Ruby/rack-sequel/rack-sequel-postgres-unicorn-mri.dockerfile
+++ b/frameworks/Ruby/rack-sequel/rack-sequel-postgres-unicorn-mri.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4
+FROM ruby:3.5-rc
 
 ADD ./ /rack-sequel
 
diff --git a/frameworks/Ruby/rack-sequel/rack-sequel-postgres.dockerfile b/frameworks/Ruby/rack-sequel/rack-sequel-postgres.dockerfile
index ac998e5fa9b..aa704ec8fe3 100644
--- a/frameworks/Ruby/rack-sequel/rack-sequel-postgres.dockerfile
+++ b/frameworks/Ruby/rack-sequel/rack-sequel-postgres.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4
+FROM ruby:3.5-rc
 
 ADD ./ /rack-sequel
 
diff --git a/frameworks/Ruby/rack-sequel/rack-sequel-unicorn-mri.dockerfile b/frameworks/Ruby/rack-sequel/rack-sequel-unicorn-mri.dockerfile
index bc49545a709..c966eaa1c04 100644
--- a/frameworks/Ruby/rack-sequel/rack-sequel-unicorn-mri.dockerfile
+++ b/frameworks/Ruby/rack-sequel/rack-sequel-unicorn-mri.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4
+FROM ruby:3.5-rc
 
 ADD ./ /rack-sequel
 
diff --git a/frameworks/Ruby/rack-sequel/rack-sequel.dockerfile b/frameworks/Ruby/rack-sequel/rack-sequel.dockerfile
index 1c87d624525..76a88efab27 100644
--- a/frameworks/Ruby/rack-sequel/rack-sequel.dockerfile
+++ b/frameworks/Ruby/rack-sequel/rack-sequel.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4
+FROM ruby:3.5-rc
 
 ADD ./ /rack-sequel