diff --git a/.github/workflows/rspec.yml b/.github/workflows/rspec.yml
index 6e48ed2..526e7a6 100644
--- a/.github/workflows/rspec.yml
+++ b/.github/workflows/rspec.yml
@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.4", "4.0", "head"]
+        ruby: ["4.0", "head"]
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
diff --git a/.rubocop.yml b/.rubocop.yml
index 3eb7161..23b9951 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -5,7 +5,7 @@ plugins:
   - rubocop-disable_syntax
 
 AllCops:
-  TargetRubyVersion: 3.4
+  TargetRubyVersion: 4.0
   NewCops: enable
 
 # We use standard as a linter and formatter instead Rubocop.
diff --git a/.standard.yml b/.standard.yml
index 65c3e05..323fdc2 100644
--- a/.standard.yml
+++ b/.standard.yml
@@ -1 +1 @@
-ruby_version: 3.4
+ruby_version: 4.0
diff --git a/Gemfile.lock b/Gemfile.lock
index 174abd6..9b025d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -219,4 +219,4 @@ CHECKSUMS
   uri (1.1.1) sha256=379fa58d27ffb1387eaada68c749d1426738bd0f654d812fcc07e7568f5c57c6
 
 BUNDLED WITH
-  4.0.8
+  4.0.10
diff --git a/errbit_github_plugin.gemspec b/errbit_github_plugin.gemspec
index 88083e6..ed4ab92 100644
--- a/errbit_github_plugin.gemspec
+++ b/errbit_github_plugin.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description = "GitHub integration for Errbit"
   spec.homepage = "https://github.com/errbit/errbit_github_plugin"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.4.0"
+  spec.required_ruby_version = ">= 4.0.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage