diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 71da3b8c..8976a936 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,12 +11,12 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - target_ruby: "3.3.3"
+        - target_ruby: "3.3.4"
           arch: "x86-msvcrt"
           build_ruby: "3.1.6/x64"
           run_mri_spec: v3_3_3
 
-        - target_ruby: "3.3.3"
+        - target_ruby: "3.3.4"
           arch: "x64-ucrt"
           build_ruby: "3.1.6/x64"
           run_mri_spec: v3_3_3
diff --git a/CHANGELOG-3.3.md b/CHANGELOG-3.3.md
index 834eac77..096cc388 100644
--- a/CHANGELOG-3.3.md
+++ b/CHANGELOG-3.3.md
@@ -1,3 +1,9 @@
+## RubyInstaller-3.3.4-1 - 2024-07-09
+
+### Changed
+- Update to ruby-3.3.4, see [release notes](https://www.ruby-lang.org/en/news/2024/07/09/ruby-3-3-4-released/).
+
+
 ## RubyInstaller-3.3.3-1 - 2024-06-14
 
 ### Changed
diff --git a/packages/ri-msys/Rakefile b/packages/ri-msys/Rakefile
index fb10ac4e..e46dfd82 100644
--- a/packages/ri-msys/Rakefile
+++ b/packages/ri-msys/Rakefile
@@ -51,12 +51,12 @@ end
 ovl_glob('recipes/*/task.rake').each{|f| load(ovl_expand_file(f)) }
 
 ruby_arch_packages = %w[x64-ucrt].map do |arch|
-  %w[3.1.6-1 3.2.4-1 3.3.3-1 head].map do |packagever|
+  %w[3.1.6-1 3.2.4-1 3.3.4-1 head].map do |packagever|
     RubyPackage.new( packagever: packagever, arch: arch, rootdir: __dir__ ).freeze
   end
 end
 ruby_arch_packages += %w[x64-msvcrt x86-msvcrt].map do |arch|
-  %w[2.4.10-2 2.5.9-1 2.6.10-1 2.7.8-1 3.0.7-1 3.1.6-1 3.2.4-1 3.3.3-1 head].map do |packagever|
+  %w[2.4.10-2 2.5.9-1 2.6.10-1 2.7.8-1 3.0.7-1 3.1.6-1 3.2.4-1 3.3.4-1 head].map do |packagever|
     RubyPackage.new( packagever: packagever, arch: arch, rootdir: __dir__ ).freeze
   end
 end
diff --git a/packages/ri/Rakefile b/packages/ri/Rakefile
index b8da1b05..218e3b57 100644
--- a/packages/ri/Rakefile
+++ b/packages/ri/Rakefile
@@ -46,12 +46,12 @@ end
 ovl_glob('recipes/*/task.rake').each{|f| load(ovl_expand_file(f)) }
 
 ruby_arch_packages = %w[x64-ucrt].map do |arch|
-  %w[3.1.6-1 3.2.4-1 3.3.3-1 head].map do |packagever|
+  %w[3.1.6-1 3.2.4-1 3.3.4-1 head].map do |packagever|
     RubyPackage.new( packagever: packagever, arch: arch, rootdir: __dir__ ).freeze
   end
 end
 ruby_arch_packages += %w[x64-msvcrt x86-msvcrt].map do |arch|
-  %w[2.4.10-2 2.5.9-1 2.6.10-1 2.7.8-1 3.0.7-1 3.1.6-1 3.2.4-1 3.3.3-1 head].map do |packagever|
+  %w[2.4.10-2 2.5.9-1 2.6.10-1 2.7.8-1 3.0.7-1 3.1.6-1 3.2.4-1 3.3.4-1 head].map do |packagever|
     RubyPackage.new( packagever: packagever, arch: arch, rootdir: __dir__ ).freeze
   end
 end
diff --git a/recipes/sandbox/rubyinstaller-3.3.3-x64-msvcrt.files b/recipes/sandbox/rubyinstaller-3.3.4-x64-msvcrt.files
similarity index 100%
rename from recipes/sandbox/rubyinstaller-3.3.3-x64-msvcrt.files
rename to recipes/sandbox/rubyinstaller-3.3.4-x64-msvcrt.files
diff --git a/recipes/sandbox/rubyinstaller-3.3.3-x64-ucrt.files b/recipes/sandbox/rubyinstaller-3.3.4-x64-ucrt.files
similarity index 100%
rename from recipes/sandbox/rubyinstaller-3.3.3-x64-ucrt.files
rename to recipes/sandbox/rubyinstaller-3.3.4-x64-ucrt.files
diff --git a/recipes/sandbox/rubyinstaller-3.3.3-x86-msvcrt.files b/recipes/sandbox/rubyinstaller-3.3.4-x86-msvcrt.files
similarity index 100%
rename from recipes/sandbox/rubyinstaller-3.3.3-x86-msvcrt.files
rename to recipes/sandbox/rubyinstaller-3.3.4-x86-msvcrt.files
diff --git a/recipes/sandbox/rubyinstaller-3.3.3.files b/recipes/sandbox/rubyinstaller-3.3.4.files
similarity index 100%
rename from recipes/sandbox/rubyinstaller-3.3.3.files
rename to recipes/sandbox/rubyinstaller-3.3.4.files