diff --git a/fluent-package/config.rb b/fluent-package/config.rb
index 157fb389e..4a8d2e7b2 100644
--- a/fluent-package/config.rb
+++ b/fluent-package/config.rb
@@ -23,8 +23,8 @@
 BUNDLER_VERSION= "2.3.26"
 
 # https://www.ruby-lang.org/en/downloads/ (tar.gz)
-BUNDLED_RUBY_VERSION = "3.2.2"
-BUNDLED_RUBY_SOURCE_SHA256SUM = "96c57558871a6748de5bc9f274e93f4b5aad06cd8f37befa0e8d94e7b8a423bc"
+BUNDLED_RUBY_VERSION = "3.2.3"
+BUNDLED_RUBY_SOURCE_SHA256SUM = "af7f1757d9ddb630345988139211f1fd570ff5ba830def1cc7c468ae9b65c9ba"
 
 BUNDLED_RUBY_PATCHES = [
   # An example entry:
@@ -32,8 +32,8 @@
 ]
 
 # https://rubyinstaller.org/downloads/ (7-ZIP ARCHIVES)
-BUNDLED_RUBY_INSTALLER_X64_VERSION = "3.2.2-1"
-BUNDLED_RUBY_INSTALLER_X64_SHA256SUM = "1f0f55ba0790676be6d701515a244159e9ca2d6314f1101560e3e8a277a2661e"
+BUNDLED_RUBY_INSTALLER_X64_VERSION = "3.2.3-1"
+BUNDLED_RUBY_INSTALLER_X64_SHA256SUM = "cf106d718499125a55dff82daee40e7744ed224694c96036765b84a3ac4f654c"
 
 # Files under rubyinstaller/ are patches for RubyInstaller's binary package.
 # Other patches for Ruby's source tree which can be shared with BUNDLED_RUBY_PATCHES.