diff --git a/.rubocop.yml b/.rubocop.yml
index a6c7ace..da625c1 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -15,3 +15,6 @@ Style/DocumentDynamicEvalDefinition:
 
 Style/MultipleComparison:
   Enabled: false
+
+Style/NumericPredicate:
+  EnforcedStyle: comparison
diff --git a/benchmarks/benchmarks.rb b/benchmarks/benchmarks.rb
index 0880948..e789533 100644
--- a/benchmarks/benchmarks.rb
+++ b/benchmarks/benchmarks.rb
@@ -291,7 +291,7 @@ def positional_splat_keyword_and_double_splat_args(a, *args, b:, **kwargs)
     benchmark_json.sort_by! { |json| json["name"] }
 
     # Print headers based on the first benchmark_json
-    if i.zero?
+    if i == 0
       benchmark_headers = benchmark_json.map do |benchmark_gem|
         # Gem name is of the form:
         # "memoist (1.1.0): ()"
diff --git a/lib/memo_wise/internal_api.rb b/lib/memo_wise/internal_api.rb
index 3a80a8b..aa613c4 100644
--- a/lib/memo_wise/internal_api.rb
+++ b/lib/memo_wise/internal_api.rb
@@ -44,7 +44,7 @@ def self.create_memo_wise_state!(obj)
     #   - :double_splat (examples: `def foo(a: 1)`, `def foo(a:, **b)`)
     #   - :splat_and_double_splat (examples: `def foo(a=1, b: 2)`, `def foo(a=1, **b)`, `def foo(*a, **b)`)
     def self.method_arguments(method)
-      return NONE if method.arity.zero?
+      return NONE if method.arity == 0
 
       parameters = method.parameters.map(&:first)