diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54d5a3c..89f9c70 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,14 +13,14 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: ubuntu-latest
-            ruby: "3.0"
           - os: ubuntu-latest
             ruby: "3.1"
           - os: ubuntu-latest
             ruby: "3.2"
           - os: ubuntu-latest
             ruby: "3.3"
+          - os: ubuntu-latest
+            ruby: "3.4"
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/google-style.gemspec b/google-style.gemspec
index 0daf5e4..495d589 100644
--- a/google-style.gemspec
+++ b/google-style.gemspec
@@ -31,7 +31,7 @@ Gem::Specification.new do |gem|
                        "README.md", "google-style.yml",
                        "lib/google/style/version.rb"]
 
-  gem.required_ruby_version = ">= 3.0.0"
+  gem.required_ruby_version = ">= 3.1.0"
 
-  gem.add_dependency "rubocop", "~> 1.63"
+  gem.add_dependency "rubocop", "~> 1.75"
 end
diff --git a/google-style.yml b/google-style.yml
index 297125f..b438ae3 100644
--- a/google-style.yml
+++ b/google-style.yml
@@ -15,7 +15,10 @@
 AllCops:
   NewCops: disable
   SuggestExtensions: false
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
+
+Gemspec/AddRuntimeDependency: # new in 1.65                                                                 
+  Enabled: true      
 
 # Added in Rubocop 1.30
 Gemspec/DeprecatedAttributeAssignment:
@@ -62,6 +65,9 @@ Layout/LineLength:
 Layout/SpaceBeforeBrackets:
   Enabled: true
 
+Lint/ArrayLiteralInRegexp: # new in 1.71                                                                    
+  Enabled: true
+
 # Added in Rubocop 1.7
 Lint/AmbiguousAssignment:
   Enabled: true
@@ -78,6 +84,12 @@ Lint/AmbiguousRange:
 Lint/ConstantOverwrittenInRescue:
   Enabled: true
 
+Lint/ConstantReassignment: # new in 1.70                                                                    
+  Enabled: true
+
+Lint/CopDirectiveSyntax: # new in 1.72                                                                      
+  Enabled: true
+
 # Samples often use Kernel#p which Lint/Debugger doesn't like.
 Lint/Debugger:
   Exclude:
@@ -104,6 +116,9 @@ Lint/DuplicateMatchPattern:
 Lint/DuplicateRegexpCharacterClassElement:
   Enabled: true
 
+Lint/DuplicateSetElement: # new in 1.67                                                                     
+  Enabled: true
+
 # Added in Rubocop 1.1
 Lint/EmptyBlock:
   Enabled: true
@@ -116,6 +131,9 @@ Lint/EmptyClass:
 Lint/EmptyInPattern:
   Enabled: true
 
+Lint/HashNewWithKeywordArgumentsAsDefault: # new in 1.69
+  Enabled: true
+
 # Added in Rubocop 1.21
 Lint/IncompatibleIoSelectWithFiberScheduler:
   Enabled: true
@@ -148,6 +166,10 @@ Lint/NonAtomicFileOperation:
 Lint/NumberedParameterAssignment:
   Enabled: true
 
+# Can easily appear in the generated code
+Lint/NumericOperationWithConstantResult: # new in 1.69
+  Enabled: false
+
 # Added in Rubocop 1.9
 Lint/OrAssignmentToConstant:
   Enabled: true
@@ -160,6 +182,10 @@ Lint/RedundantDirGlobSort:
 Lint/RedundantRegexpQuantifiers:
   Enabled: true
 
+# Can easily appear in the generated code
+Lint/RedundantTypeConversion: # new in 1.72
+  Enabled: false
+
 # Added in Rubocop 1.27
 Lint/RefinementImportMethods:
   Enabled: true
@@ -176,6 +202,12 @@ Lint/RequireRelativeSelfPath:
 Lint/SafeNavigationConsistency:
   Enabled: false
 
+Lint/SharedMutableDefault: # new in 1.70
+  Enabled: true
+
+Lint/SuppressedExceptionInNumberConversion: # new in 1.72
+  Enabled: true
+
 # Added in Rubocop 1.9
 Lint/SymbolConversion:
   Enabled: true
@@ -192,10 +224,23 @@ Lint/TripleQuotes:
 Lint/UnexpectedBlockArity:
   Enabled: true
 
+Lint/UnescapedBracketInRegexp: # new in 1.68                                                                
+  Enabled: true 
+
 # Added in Rubocop 1.1
 Lint/UnmodifiedReduceAccumulator:
   Enabled: true
 
+Lint/UselessConstantScoping: # new in 1.72                                                                  
+  Enabled: true
+
+Lint/UselessDefined: # new in 1.69
+  Enabled: true
+
+# Can easily appear in the generated code
+Lint/UselessNumericOperation: # new in 1.66
+  Enabled: false
+
 # Added in Rubocop 1.43
 Lint/UselessRescue:
   Enabled: true
@@ -251,6 +296,9 @@ Security/IoMethods:
 Style/AccessorGrouping:
   EnforcedStyle: separated
 
+Style/AmbiguousEndlessMethodDefinition: # new in 1.68
+  Enabled: true
+
 # Added in Rubocop 1.1
 Style/ArgumentsForwarding:
   Enabled: true
@@ -259,6 +307,9 @@ Style/ArgumentsForwarding:
   RedundantRestArgumentNames: [] # To support Ruby < 3.2
   UseAnonymousForwarding: false # To support Ruby < 3.2
 
+Style/ArrayIntersect: # new in 1.40
+  Enabled: true
+
 # Problematic for generated code which might include unicode in comments.
 Style/AsciiComments:
   Enabled: false
@@ -272,6 +323,9 @@ Style/CaseEquality:
 Style/CollectionCompact:
   Enabled: true
 
+Style/CombinableDefined: # new in 1.68
+  Enabled: true
+
 # Added in Rubocop 1.44
 Style/ComparableClamp:
   Enabled: true
@@ -280,6 +334,9 @@ Style/ComparableClamp:
 Style/ConcatArrayLiterals:
   Enabled: true
 
+Style/DigChain: # new in 1.69
+  Enabled: true
+
 # Added in Rubocop 1.48
 Style/DirEmpty:
   Enabled: true
@@ -336,6 +393,9 @@ Style/HashConversion:
 Style/HashExcept:
   Enabled: true
 
+Style/HashFetchChain: # new in 1.75
+  Enabled: true
+
 # It is sometimes preferable to use the non-modifier form even for single-line
 # expressions, for readability.
 Style/IfUnlessModifier:
@@ -349,6 +409,12 @@ Style/IfWithBooleanLiteralBranches:
 Style/InPatternThen:
   Enabled: true
 
+Style/ItAssignment: # new in 1.70
+  Enabled: true
+
+Style/ItBlockParameter: # new in 1.75
+  Enabled: true
+
 # Added in Rubocop 1.35
 Style/MagicCommentFormat:
   Enabled: true
@@ -516,6 +582,10 @@ Style/RescueModifier:
 Style/ReturnNilInPredicateMethodDefinition:
   Enabled: true
 
+# Disabled since length of navigation chain is not a problem.
+Style/SafeNavigationChainLength: # new in 1.68
+  Enabled: false
+
 # We disagree with this one. Grep is more specialized than select/reject.
 Style/SelectByRegexp:
   Enabled: false