diff --git a/lib/rubocop/isucon/sql_parser.rb b/lib/rubocop/isucon/sql_parser.rb
index 1ead7296..4e3a3a70 100644
--- a/lib/rubocop/isucon/sql_parser.rb
+++ b/lib/rubocop/isucon/sql_parser.rb
@@ -19,7 +19,7 @@ def self.parse_tables(sql)
         sql = sql.gsub(/ON\s+DUPLICATE\s+KEY\s+UPDATE/i, "")
 
         sql.scan(/(?:FROM|INTO|UPDATE|JOIN)\s+([^(]+?)[\s(]/i).
-          map { |matched| matched[0].strip.delete("`") }.reject(&:empty?).uniq
+          map { |matched| matched[0].strip.delete("`") }.reject(&:empty?).uniq # rubocop:disable Layout/DotPosition
       end
     end
   end
diff --git a/rubocop-isucon.gemspec b/rubocop-isucon.gemspec
index b50fdda8..50d33dc5 100644
--- a/rubocop-isucon.gemspec
+++ b/rubocop-isucon.gemspec
@@ -35,7 +35,7 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency "activerecord", ">= 6.1.0"
   spec.add_runtime_dependency "gda"
-  spec.add_runtime_dependency "rubocop", ">= 1.22.0"
+  spec.add_runtime_dependency "rubocop", ">= 1.22.2"
   spec.add_runtime_dependency "rubocop-performance"
 
   spec.add_development_dependency "benchmark-ips"
diff --git a/spec/rubocop/isucon/database_connection_spec.rb b/spec/rubocop/isucon/database_connection_spec.rb
index cb8914b7..ad60e5df 100644
--- a/spec/rubocop/isucon/database_connection_spec.rb
+++ b/spec/rubocop/isucon/database_connection_spec.rb
@@ -8,7 +8,7 @@
       adapter: "sqlite3",
       database: ":memory:",
       timeout: 500,
-    }.transform_keys(&:to_s)
+    }.transform_keys(&:to_s) # rubocop:disable Layout/DotPosition
   end
 
   describe "#column_names" do