diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b5a8e8e6d735b3ee2ddaffe9190e28f88f9c5157..3aa901463d19235152bbdc72d9331dc14b4c9def 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,7 @@ stages:
 # in cases where jobs require Docker-in-Docker, the job
 # definition must be extended with `.use-docker-in-docker`
 default:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.2.patched-golang-1.14-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-11-graphicsmagick-1.3.36"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.patched-golang-1.14-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-11-graphicsmagick-1.3.36"
   tags:
     - gitlab-org
   # All jobs are interruptible by default
diff --git a/.gitlab/ci/docs.gitlab-ci.yml b/.gitlab/ci/docs.gitlab-ci.yml
index ea3e3ac450bf710e3985efdd6885e73c62cba9ec..f4d8698f22da4616d6eaae2f89d9e3212b20f3ea 100644
--- a/.gitlab/ci/docs.gitlab-ci.yml
+++ b/.gitlab/ci/docs.gitlab-ci.yml
@@ -53,7 +53,7 @@ docs-lint markdown:
 docs-lint links:
   extends:
     - .docs:rules:docs-lint
-  image: registry.gitlab.com/gitlab-org/gitlab-docs/lint-html:alpine-3.13-ruby-2.7.2-d2b92621
+  image: registry.gitlab.com/gitlab-org/gitlab-docs/lint-html:alpine-3.14-ruby-2.7.4-db71f027
   stage: test
   needs: []
   script:
diff --git a/.gitlab/ci/frontend.gitlab-ci.yml b/.gitlab/ci/frontend.gitlab-ci.yml
index bbf8a8046669a1664fee83bbfefff8dbe144aa3e..520cd670729ac046f33c80bb8e0fbb62b85abf75 100644
--- a/.gitlab/ci/frontend.gitlab-ci.yml
+++ b/.gitlab/ci/frontend.gitlab-ci.yml
@@ -11,7 +11,7 @@
     - .default-retry
     - .default-before_script
     - .assets-compile-cache
-  image: registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.2-git-2.31-lfs-2.9-node-14.15-yarn-1.22-graphicsmagick-1.3.36
+  image: registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7-git-2.31-lfs-2.9-node-14.15-yarn-1.22-graphicsmagick-1.3.36
   variables:
     SETUP_DB: "false"
     WEBPACK_VENDOR_DLL: "true"
diff --git a/.gitlab/ci/global.gitlab-ci.yml b/.gitlab/ci/global.gitlab-ci.yml
index 860397b94372dca978bf39915ab34878033598e9..d9978a44ffb658890babeede0dd3190222b68093 100644
--- a/.gitlab/ci/global.gitlab-ci.yml
+++ b/.gitlab/ci/global.gitlab-ci.yml
@@ -200,7 +200,7 @@
     - *storybook-node-modules-cache-push
 
 .use-pg11:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.2.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-11-graphicsmagick-1.3.36"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-11-graphicsmagick-1.3.36"
   services:
     - name: postgres:11.6
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -209,7 +209,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg12:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.2.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-12-graphicsmagick-1.3.36"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-12-graphicsmagick-1.3.36"
   services:
     - name: postgres:12
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -218,7 +218,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg13:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.2.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-13-graphicsmagick-1.3.36"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-13-graphicsmagick-1.3.36"
   services:
     - name: postgres:13
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -227,7 +227,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg11-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.2.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-11-graphicsmagick-1.3.36"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-11-graphicsmagick-1.3.36"
   services:
     - name: postgres:11.6
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -238,7 +238,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg12-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.2.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-12-graphicsmagick-1.3.36"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-12-graphicsmagick-1.3.36"
   services:
     - name: postgres:12
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -249,7 +249,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg13-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.2.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-13-graphicsmagick-1.3.36"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.7.patched-golang-1.16-git-2.31-lfs-2.9-chrome-89-node-14.15-yarn-1.22-postgresql-13-graphicsmagick-1.3.36"
   services:
     - name: postgres:13
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
diff --git a/.ruby-version b/.ruby-version
index 37c2961c2430f357166156e7ddf1c590eb8d4ce1..a4dd9dba4fbfc56b9de647bc31ed848d9f65885f 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.2
+2.7.4
diff --git a/README.md b/README.md
index f8eb17cf85568e46d77d93602e9b16139cdd0ec2..ee7eef9aa2d2e3c6999ec59c377ea1904cb7d135 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ Instructions on how to start GitLab and how to run the tests can be found in the
 GitLab is a Ruby on Rails application that runs on the following software:
 
 - Ubuntu/Debian/CentOS/RHEL/OpenSUSE
-- Ruby (MRI) 2.7.2
+- Ruby (MRI) 2.7.4
 - Git 2.31+
 - Redis 5.0+
 - PostgreSQL 12+
diff --git a/doc/administration/monitoring/performance/performance_bar.md b/doc/administration/monitoring/performance/performance_bar.md
index 6a817e44e020e4dbe7176ad91ccc35afe07d18e2..ef4db93d5fcd1570d5fc23207b3a1bdd34a3fc67 100644
--- a/doc/administration/monitoring/performance/performance_bar.md
+++ b/doc/administration/monitoring/performance/performance_bar.md
@@ -72,7 +72,7 @@ From left to right, the performance bar displays:
 
 NOTE:
 Not all indicators are available in all environments. For instance, the memory view
-requires running Ruby with [specific patches](https://gitlab.com/gitlab-org/gitlab-build-images/-/blob/master/patches/ruby/2.7.2/thread-memory-allocations-2.7.patch)
+requires running Ruby with [specific patches](https://gitlab.com/gitlab-org/gitlab-build-images/-/blob/master/patches/ruby/2.7.4/thread-memory-allocations-2.7.patch)
 applied. When running GitLab locally using [GDK](../../../development/contributing/index.md#gitlab-development-kit),
 this is typically not the case and the memory view cannot be used.
 
diff --git a/doc/ci/quick_start/index.md b/doc/ci/quick_start/index.md
index e8e0bf508409d933296bc90085110dc73482b680..e23812383185f9bad33834be80a1b62212e99933 100644
--- a/doc/ci/quick_start/index.md
+++ b/doc/ci/quick_start/index.md
@@ -125,7 +125,7 @@ The pipeline starts when the commit is committed.
 
   ```yaml
   default:
-    image: ruby:2.7.2
+    image: ruby:2.7.4
   ```
 
   This command tells the runner to use a Ruby image from Docker Hub
diff --git a/doc/development/testing_guide/best_practices.md b/doc/development/testing_guide/best_practices.md
index ba7312b760fa77027734581243f11a157db91dae..abb55857e1f74dd46b0402c27d896d7e02959e06 100644
--- a/doc/development/testing_guide/best_practices.md
+++ b/doc/development/testing_guide/best_practices.md
@@ -54,7 +54,7 @@ When using spring and guard together, use `SPRING=1 bundle exec guard` instead t
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/47767) in GitLab 13.7.
 
-We've enabled [deprecation warnings](https://ruby-doc.org/core-2.7.2/Warning.html)
+We've enabled [deprecation warnings](https://ruby-doc.org/core-2.7.4/Warning.html)
 by default when running specs. Making these warnings more visible to developers
 helps upgrading to newer Ruby versions.
 
diff --git a/doc/install/installation.md b/doc/install/installation.md
index a0587c6ef8aeaa84a3bd0d9b2bbefa17c5041fdd..b524177abc4947201139685985e6c008343b6629 100644
--- a/doc/install/installation.md
+++ b/doc/install/installation.md
@@ -231,9 +231,9 @@ Download Ruby and compile it:
 
 ```shell
 mkdir /tmp/ruby && cd /tmp/ruby
-curl --remote-name --progress-bar "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-2.7.2.tar.gz"
-echo 'cb9731a17487e0ad84037490a6baf8bfa31a09e8  ruby-2.7.2.tar.gz' | shasum -c - && tar xzf ruby-2.7.2.tar.gz
-cd ruby-2.7.2
+curl --remote-name --progress-bar "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-2.7.4.tar.gz"
+echo '3043099089608859fc8cce7f9fdccaa1f53a462457e3838ec3b25a7d609fbc5b ruby-2.7.4.tar.gz' | sha256sum -c - && tar xzf ruby-2.7.4.tar.gz
+cd ruby-2.7.4
 
 ./configure --disable-install-rdoc --enable-shared
 make
diff --git a/doc/update/index.md b/doc/update/index.md
index 2a11b363b3ab07c969e6f0ec86ed86c64f3dca00..e714c3a9059a7fb531810e25f6bc78eb428185d8 100644
--- a/doc/update/index.md
+++ b/doc/update/index.md
@@ -358,6 +358,11 @@ NOTE:
 Specific information that follow related to Ruby and Git versions do not apply to [Omnibus installations](https://docs.gitlab.com/omnibus/)
 and [Helm Chart deployments](https://docs.gitlab.com/charts/). They come with appropriate Ruby and Git versions and are not using system binaries for Ruby and Git. There is no need to install Ruby or Git when utilizing these two approaches.
 
+### 14.3.0
+
+Ruby 2.7.4 is required. Refer to [the Ruby installation instructions](../install/installation.md#2-ruby)
+for how to proceed.
+
 ### 14.2.0
 
 - Due to an issue where `BatchedBackgroundMigrationWorkers` were
diff --git a/doc/update/upgrading_from_source.md b/doc/update/upgrading_from_source.md
index 44fee84b85079eb56d71b5e1868531697c5340ff..9abf993f0fe0fbf8b8a6949a0654dbf55c802da8 100644
--- a/doc/update/upgrading_from_source.md
+++ b/doc/update/upgrading_from_source.md
@@ -69,9 +69,9 @@ Download Ruby and compile it:
 
 ```shell
 mkdir /tmp/ruby && cd /tmp/ruby
-curl --remote-name --progress "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-2.7.2.tar.gz"
-echo 'cb9731a17487e0ad84037490a6baf8bfa31a09e8  ruby-2.7.2.tar.gz' | shasum -c - && tar xzf ruby-2.7.2.tar.gz
-cd ruby-2.7.2
+curl --remote-name --progress-bar "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-2.7.4.tar.gz"
+echo '3043099089608859fc8cce7f9fdccaa1f53a462457e3838ec3b25a7d609fbc5b ruby-2.7.4.tar.gz' | sha256sum -c - && tar xzf ruby-2.7.4.tar.gz
+cd ruby-2.7.4
 
 ./configure --disable-install-rdoc --enable-shared
 make
diff --git a/doc/user/compliance/license_compliance/index.md b/doc/user/compliance/license_compliance/index.md
index e39a3f7111bd257334ee208c7211bd886d5bc1c9..216a63108a39ab383db058b2566d84ca3ab54d1b 100644
--- a/doc/user/compliance/license_compliance/index.md
+++ b/doc/user/compliance/license_compliance/index.md
@@ -802,11 +802,11 @@ or using the appropriate [`ASDF_<tool>_VERSION`](https://asdf-vm.com/#/core-conf
 activate the appropriate version.
 
 For example, the following `.tool-versions` file activates version `12.16.3` of [Node.js](https://nodejs.org/)
-and version `2.7.2` of [Ruby](https://www.ruby-lang.org/).
+and version `2.7.4` of [Ruby](https://www.ruby-lang.org/).
 
 ```plaintext
 nodejs 12.16.3
-ruby 2.7.2
+ruby 2.7.4
 ```
 
 The next example shows how to activate the same versions of the tools mentioned above by using CI/CD variables defined in your
@@ -819,7 +819,7 @@ include:
 license_scanning:
   variables:
     ASDF_NODEJS_VERSION: '12.16.3'
-    ASDF_RUBY_VERSION: '2.7.2'
+    ASDF_RUBY_VERSION: '2.7.4'
 ```
 
 A full list of variables can be found in [CI/CD variables](#available-cicd-variables).
diff --git a/qa/spec/qa_deprecation_toolkit_env.rb b/qa/spec/qa_deprecation_toolkit_env.rb
index cdd5d954b20c7d3c1a8a5484581a443d9b4b748e..2a21961d89eb4bb4c183183ca631726438fcdac0 100644
--- a/qa/spec/qa_deprecation_toolkit_env.rb
+++ b/qa/spec/qa_deprecation_toolkit_env.rb
@@ -12,7 +12,7 @@ def self.kwargs_warning
   end
 
   def self.configure!
-    # Enable ruby deprecations for keywords, it's suppressed by default in Ruby 2.7.2
+    # Enable ruby deprecations for keywords, it's suppressed by default in Ruby 2.7
     Warning[:deprecated] = true
 
     DeprecationToolkit::Configuration.test_runner = :rspec
diff --git a/spec/deprecation_toolkit_env.rb b/spec/deprecation_toolkit_env.rb
index 17d8e0955e7861b55b5045be36d100c4f7726920..5e7ff34463cfe630861295ee39df0483558e4c93 100644
--- a/spec/deprecation_toolkit_env.rb
+++ b/spec/deprecation_toolkit_env.rb
@@ -65,7 +65,7 @@ def self.allowed_kwarg_warning_paths
   end
 
   def self.configure!
-    # Enable ruby deprecations for keywords, it's suppressed by default in Ruby 2.7.2
+    # Enable ruby deprecations for keywords, it's suppressed by default in Ruby 2.7
     Warning[:deprecated] = true
 
     DeprecationToolkit::Configuration.test_runner = :rspec