diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index be89c03c..aa189f81 100755
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1654,7 +1654,6 @@ JSON:
   - .json
   - .geojson
   - .JSON-tmLanguage
-  - .lock
   - .topojson
   filenames:
   - .arcconfig
diff --git a/samples/JSON/composer.lock b/samples/JSON/filenames/composer.lock
similarity index 100%
rename from samples/JSON/composer.lock
rename to samples/JSON/filenames/composer.lock
diff --git a/test/test_blob.rb b/test/test_blob.rb
index 9a73662b..3322cc41 100644
--- a/test/test_blob.rb
+++ b/test/test_blob.rb
@@ -166,7 +166,7 @@ class TestBlob < Minitest::Test
     assert sample_blob_memory("JavaScript/jquery-1.4.2.min.js").generated?
 
     # Composer generated composer.lock file
-    assert sample_blob_memory("JSON/composer.lock").generated?
+    assert sample_blob_memory("JSON/filenames/composer.lock").generated?
 
     # PEG.js-generated parsers
     assert sample_blob_memory("JavaScript/parser.js").generated?