diff --git a/Gemfile b/Gemfile
index 9b099d99..0dd1a7fc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,10 +15,10 @@ group :development, :test do
   gem "rake-manifest", "~> 0.2.0"
   gem "rexml", "~> 3.0"
   gem "rspec-mocks", "~> 3.5"
-  gem "rubocop", "~> 1.85"
+  gem "rubocop", "~> 1.91"
   gem "rubocop-minitest", "~> 0.40.0"
   gem "rubocop-packaging", "~> 0.6.0"
-  gem "rubocop-performance", "~> 1.27.0"
+  gem "rubocop-performance", "~> 1.27"
   gem "simplecov", "~> 1.3.0"
 
   gem "ruby-prof", platform: :mri
diff --git a/lib/ffi-gobject/value.rb b/lib/ffi-gobject/value.rb
index ef9f1eb5..caac9016 100644
--- a/lib/ffi-gobject/value.rb
+++ b/lib/ffi-gobject/value.rb
@@ -15,19 +15,19 @@ class Value
       TYPE_UCHAR => [:get_uchar, :set_uchar],
       TYPE_BOOLEAN => [:get_boolean, :set_boolean],
       TYPE_INT => [:get_int, :set_int],
-      TYPE_UINT => [:get_uint,           :set_uint],
-      TYPE_LONG => [:get_long,           :set_long],
-      TYPE_ULONG => [:get_ulong,          :set_ulong],
-      TYPE_INT64 => [:get_int64,          :set_int64],
+      TYPE_UINT => [:get_uint, :set_uint],
+      TYPE_LONG => [:get_long, :set_long],
+      TYPE_ULONG => [:get_ulong, :set_ulong],
+      TYPE_INT64 => [:get_int64, :set_int64],
       TYPE_UINT64 => [:get_uint64, :set_uint64],
       TYPE_ENUM => [:get_enum_enhanced, :set_enum_enhanced],
       TYPE_FLAGS => [:get_flags_enhanced, :set_flags_enhanced],
-      TYPE_FLOAT => [:get_float,          :set_float],
-      TYPE_DOUBLE => [:get_double,         :set_double],
-      TYPE_STRING => [:get_string,         :set_string],
+      TYPE_FLOAT => [:get_float, :set_float],
+      TYPE_DOUBLE => [:get_double, :set_double],
+      TYPE_STRING => [:get_string, :set_string],
       TYPE_POINTER => [:get_pointer, :set_pointer],
-      TYPE_BOXED => [:get_boxed,          :set_boxed],
-      TYPE_PARAM => [:get_param,          :set_param],
+      TYPE_BOXED => [:get_boxed, :set_boxed],
+      TYPE_PARAM => [:get_param, :set_param],
       TYPE_OBJECT => [:get_object, :set_instance_enhanced],
       TYPE_GTYPE => [:get_gtype, :set_gtype],
       TYPE_VARIANT => [:get_variant, :set_variant]