diff --git a/Rakefile b/Rakefile
index ab1a25ab..19cf2327 100644
--- a/Rakefile
+++ b/Rakefile
@@ -106,8 +106,8 @@ end
 
 desc('Generate many sample data for snapshot tests')
 task(:update_fixed_examples) do
-  sh('rm ./test/many_data/fixtures/dumped_fixed_examples_*.bin')
-  ruby('./scripts/generate_many_examples.rb')
+  sh('rm ./test/many_data/fixtures/snapshots_*.bin')
+  ruby('./scripts/generate_snapshots.rb')
 end
 
 desc('To prevent #69 anymore!')
diff --git a/scripts/convert_snapshot_dump_to_toml.rb b/scripts/convert_snapshot_dump_to_toml.rb
index 84bad6fc..7bd2e44b 100644
--- a/scripts/convert_snapshot_dump_to_toml.rb
+++ b/scripts/convert_snapshot_dump_to_toml.rb
@@ -7,7 +7,7 @@
 
 require('perfect_toml')
 
-path_prefix = "#{__dir__}/../test/many_data/fixtures/dumped_fixed_examples_"
+path_prefix = "#{__dir__}/../test/many_data/fixtures/snapshots_"
 timestamp = '2024-01-10_07-59'
 without_ext = "#{path_prefix}#{timestamp}"
 dump_data = File.binread("#{without_ext}.bin")
diff --git a/scripts/generate_many_examples.rb b/scripts/generate_snapshots.rb
similarity index 96%
rename from scripts/generate_many_examples.rb
rename to scripts/generate_snapshots.rb
index 5511003b..5043d9de 100644
--- a/scripts/generate_many_examples.rb
+++ b/scripts/generate_snapshots.rb
@@ -57,7 +57,7 @@
 puts('The generated samples are below')
 p(examples.sample(20))
 
-filename = "dumped_fixed_examples_#{Time.now.strftime('%Y-%m-%d_%H-%M')}.bin"
+filename = "snapshots_#{Time.now.strftime('%Y-%m-%d_%H-%M')}.bin"
 output_path = "#{File.expand_path('.')}/test/many_data/fixtures/#{filename}"
 
 File.open(output_path, 'w+b') do |file|
diff --git a/test/many_data/fixtures/dumped_fixed_examples_2024-01-10_07-59.bin b/test/many_data/fixtures/snapshots_2024-01-10_07-59.bin
similarity index 100%
rename from test/many_data/fixtures/dumped_fixed_examples_2024-01-10_07-59.bin
rename to test/many_data/fixtures/snapshots_2024-01-10_07-59.bin
diff --git a/test/many_data/fixtures/dumped_fixed_examples_2024-01-10_07-59.toml b/test/many_data/fixtures/snapshots_2024-01-10_07-59.toml
similarity index 100%
rename from test/many_data/fixtures/dumped_fixed_examples_2024-01-10_07-59.toml
rename to test/many_data/fixtures/snapshots_2024-01-10_07-59.toml
diff --git a/test/many_data/test_fixed_many_data.rb b/test/many_data/test_snapshots.rb
similarity index 94%
rename from test/many_data/test_fixed_many_data.rb
rename to test/many_data/test_snapshots.rb
index d2665522..8496462b 100644
--- a/test/many_data/test_fixed_many_data.rb
+++ b/test/many_data/test_snapshots.rb
@@ -5,8 +5,8 @@
 require_relative('fixtures/example')
 
 # https://github.com/kachick/ruby-ulid/issues/89
-class TestFixedManyData < Test::Unit::TestCase
-  dump_data = File.binread("#{__dir__}/fixtures/dumped_fixed_examples_2024-01-10_07-59.bin")
+class TestSnapshots < Test::Unit::TestCase
+  dump_data = File.binread("#{__dir__}/fixtures/snapshots_2024-01-10_07-59.bin")
   EXAMPLES = Marshal.load(dump_data)
 
   def assert_example(ulid, example)