diff --git a/config.json b/config.json
index 5d17abccaa..5f98df954e 100644
--- a/config.json
+++ b/config.json
@@ -221,7 +221,7 @@
         "math"
       ]
     },
-    { "slug": "resistor-colors",
+    { "slug": "resistor-color-duo",
       "uuid": "57b0c57e-26a5-4ccf-aaf2-2fefddd918c1",
       "core": false,
       "unlocked_by": null,
diff --git a/exercises/resistor-color-duo/.meta/generator/resistor_color_duo_case.rb b/exercises/resistor-color-duo/.meta/generator/resistor_color_duo_case.rb
new file mode 100644
index 0000000000..dc471716f8
--- /dev/null
+++ b/exercises/resistor-color-duo/.meta/generator/resistor_color_duo_case.rb
@@ -0,0 +1,7 @@
+require 'generator/exercise_case'
+
+class ResistorColorDuoCase < Generator::ExerciseCase
+  def workload
+    assert_equal(expected, "ResistorColorDuo.value(#{colors})")
+  end
+end
diff --git a/exercises/resistor-colors/.meta/solutions/resistor_colors.rb b/exercises/resistor-color-duo/.meta/solutions/resistor_color_duo.rb
similarity index 91%
rename from exercises/resistor-colors/.meta/solutions/resistor_colors.rb
rename to exercises/resistor-color-duo/.meta/solutions/resistor_color_duo.rb
index 4bd5225197..674b310699 100644
--- a/exercises/resistor-colors/.meta/solutions/resistor_colors.rb
+++ b/exercises/resistor-color-duo/.meta/solutions/resistor_color_duo.rb
@@ -1,4 +1,4 @@
-module ResistorColors
+module ResistorColorDuo
   COLORS = %w(
     black
     brown
diff --git a/exercises/resistor-colors/README.md b/exercises/resistor-color-duo/README.md
similarity index 94%
rename from exercises/resistor-colors/README.md
rename to exercises/resistor-color-duo/README.md
index 248e7ac78b..0c778d7cec 100644
--- a/exercises/resistor-colors/README.md
+++ b/exercises/resistor-color-duo/README.md
@@ -1,4 +1,4 @@
-# Resistor Colors
+# Resistor Color Duo
 
 If you want to build something using a Raspberry Pi, you'll probably use _resistors_. For this exercise, you need to know two things about them:
 
@@ -37,11 +37,11 @@ the test file.
 
 Run the tests from the exercise directory using the following command:
 
-    ruby resistor_colors_test.rb
+    ruby resistor_color_duo_test.rb
 
 To include color from the command line:
 
-    ruby -r minitest/pride resistor_colors_test.rb
+    ruby -r minitest/pride resistor_color_duo_test.rb
 
 
 ## Source
diff --git a/exercises/resistor-color-duo/resistor_color_duo_test.rb b/exercises/resistor-color-duo/resistor_color_duo_test.rb
new file mode 100644
index 0000000000..ad338e9162
--- /dev/null
+++ b/exercises/resistor-color-duo/resistor_color_duo_test.rb
@@ -0,0 +1,25 @@
+require 'minitest/autorun'
+require_relative 'resistor_color_duo'
+
+# Common test data version: 2.0.0 8b44ce1
+class ResistorColorDuoTest < Minitest::Test
+  def test_brown_and_black
+    # skip
+    assert_equal 10, ResistorColorDuo.value(["brown", "black"])
+  end
+
+  def test_blue_and_grey
+    skip
+    assert_equal 68, ResistorColorDuo.value(["blue", "grey"])
+  end
+
+  def test_yellow_and_violet
+    skip
+    assert_equal 47, ResistorColorDuo.value(["yellow", "violet"])
+  end
+
+  def test_orange_and_orange
+    skip
+    assert_equal 33, ResistorColorDuo.value(["orange", "orange"])
+  end
+end
diff --git a/exercises/resistor-colors/.meta/generator/resistor_colors_case.rb b/exercises/resistor-colors/.meta/generator/resistor_colors_case.rb
deleted file mode 100644
index 4e370b6f8d..0000000000
--- a/exercises/resistor-colors/.meta/generator/resistor_colors_case.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-require 'generator/exercise_case'
-
-class ResistorColorsCase < Generator::ExerciseCase
-  def workload
-    assert_equal(expected, "ResistorColors.value(#{colors})")
-  end
-end
diff --git a/exercises/resistor-colors/resistor_colors_test.rb b/exercises/resistor-colors/resistor_colors_test.rb
deleted file mode 100644
index b3c64b908b..0000000000
--- a/exercises/resistor-colors/resistor_colors_test.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-require 'minitest/autorun'
-require_relative 'resistor_colors'
-
-# Common test data version: 1.0.0 e1c6d44
-class ResistorColorsTest < Minitest::Test
-  def test_brown_and_black
-    # skip
-    assert_equal 10, ResistorColors.value(["brown", "black"])
-  end
-
-  def test_blue_and_grey
-    skip
-    assert_equal 68, ResistorColors.value(["blue", "grey"])
-  end
-
-  def test_yellow_and_violet
-    skip
-    assert_equal 47, ResistorColors.value(["yellow", "violet"])
-  end
-
-  def test_orange_and_orange
-    skip
-    assert_equal 33, ResistorColors.value(["orange", "orange"])
-  end
-end