diff --git a/Gemfile b/Gemfile
index 1320318..9bd1180 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,8 +10,10 @@ gem <<~GEM_NAME.chomp
   pry-byebug
 GEM_NAME
 
-# Need this to be loaded by bundler, to exercise the "excluded" logic, since faker is excluded.
-gem "faker"
+# Need faker be loaded by bundler for evaluation in specs
+gem "faker", "~> 3.4", ">= 3.4.2"
+# Need test-unit be loaded by bundler for evaluation in specs
+gem "test-unit", "~> 3.6"
 
 # Specify your gem's dependencies in gem_bench.gemspec
 gemspec
diff --git a/Gemfile.lock b/Gemfile.lock
index db5259a..c6094d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,6 +43,7 @@ GEM
       racc
     patience_diff (1.2.0)
       optimist (~> 3.0)
+    power_assert (2.0.3)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -155,6 +156,8 @@ GEM
       patience_diff
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
+    test-unit (3.6.1)
+      power_assert
     unicode-display_width (2.6.0)
     version_gem (1.1.4)
     yard (0.9.37)
@@ -170,7 +173,7 @@ PLATFORMS
 DEPENDENCIES
   bundler
   byebug (>= 2.0.3)
-  faker
+  faker (~> 3.4, >= 3.4.2)
   gem_bench!
   kettle-soup-cover (~> 1.0, >= 1.0.2)
   method_source (>= 1.1.0)
@@ -183,6 +186,7 @@ DEPENDENCIES
   rubocop-rspec (~> 3.0)
   standard (~> 1.40)
   super_diff (~> 0.12, >= 0.12.1)
+  test-unit (~> 3.6)
   yard (~> 0.9, >= 0.9.34)
   yard-junk (~> 0.0.10)
 
diff --git a/gemfiles/ancient.gemfile b/gemfiles/ancient.gemfile
index 857e3b2..dc1fb2a 100644
--- a/gemfiles/ancient.gemfile
+++ b/gemfiles/ancient.gemfile
@@ -12,13 +12,17 @@ source "https://rubygems.org"
 gem "bundler", ">= 1.14"
 gem "version_gem", "~> 1.1", ">= 1.1.4"
 
-gem "faker", "~> 3.4", ">= 3.4.2"
 gem "method_source", ">= 1.1.0"
 gem "rake"
 gem "rspec"
 gem "rspec-block_is_expected"
 gem "super_diff"
 
+# Need faker be loaded by bundler for evaluation in specs
+gem "faker", "~> 3.4", ">= 3.4.2"
+# Need test-unit be loaded by bundler for evaluation in specs
+gem "test-unit", "~> 3.6"
+
 # For debugging, casecmp is only available in Ruby 2.4+
 if RUBY_VERSION > "2.4" && ENV.fetch("DEBUG", "false").casecmp?("true")
   gem "byebug"
diff --git a/spec/gem_bench/scout_spec.rb b/spec/gem_bench/scout_spec.rb
index 1cf9015..5df227f 100644
--- a/spec/gem_bench/scout_spec.rb
+++ b/spec/gem_bench/scout_spec.rb
@@ -165,7 +165,8 @@
             [
               "# For complexity!\n",
               "# (this syntax is not supported by gem_bench, but also shouldn't make it blow up)\n",
-              %(# Need this to be loaded by bundler, to exercise the "excluded" logic, since faker is excluded.\n),
+              "# Need faker be loaded by bundler for evaluation in specs\n",
+              "# Need test-unit be loaded by bundler for evaluation in specs\n",
               "# Specify your gem's dependencies in gem_bench.gemspec\n",
             ],
           )
@@ -205,7 +206,8 @@
             [
               "# For complexity!\n",
               "# (this syntax is not supported by gem_bench, but also shouldn't make it blow up)\n",
-              %(# Need this to be loaded by bundler, to exercise the "excluded" logic, since faker is excluded.\n),
+              "# Need faker be loaded by bundler for evaluation in specs\n",
+              "# Need test-unit be loaded by bundler for evaluation in specs\n",
               "# Specify your gem's dependencies in gem_bench.gemspec\n",
             ],
           )
@@ -228,7 +230,8 @@
           [
             "# For complexity!\n",
             "# (this syntax is not supported by gem_bench, but also shouldn't make it blow up)\n",
-            %(# Need this to be loaded by bundler, to exercise the "excluded" logic, since faker is excluded.\n),
+            "# Need faker be loaded by bundler for evaluation in specs\n",
+            "# Need test-unit be loaded by bundler for evaluation in specs\n",
             "# Specify your gem's dependencies in gem_bench.gemspec\n",
           ],
         )