diff --git a/identify/extensions.py b/identify/extensions.py
index f877350..6b85dfa 100644
--- a/identify/extensions.py
+++ b/identify/extensions.py
@@ -22,7 +22,8 @@
     'bmp': {'binary', 'image', 'bitmap'},
     'bz2': {'binary', 'bzip2'},
     'bz3': {'binary', 'bzip3'},
-    'bzl': {'text', 'bazel'},
+    'bxl': {'text', 'bazel'},
+    'bzl': {'text', 'bazel', 'starlark'},
     'c': {'text', 'c'},
     'c++': {'text', 'c++'},
     'c++m': {'text', 'c++'},
@@ -247,6 +248,7 @@
     'scm': {'text', 'scheme'},
     'scss': {'text', 'scss'},
     'sh': {'text', 'shell'},
+    'sky': {'text', 'starlark'},
     'sln': {'text', 'sln'},
     'slnx': {'text', 'xml', 'slnx', 'msbuild'},
     'sls': {'text', 'salt'},
@@ -255,6 +257,7 @@
     'spec': {'text', 'spec'},
     'sql': {'text', 'sql'},
     'ss': {'text', 'scheme'},
+    'star': {'text', 'starlark'},
     'sty': {'text', 'tex'},
     'styl': {'text', 'stylus'},
     'sv': {'text', 'system-verilog'},
@@ -390,6 +393,7 @@
     'bblayers.conf': EXTENSIONS['bb'],
     'bitbake.conf': EXTENSIONS['bb'],
     'Brewfile': EXTENSIONS['rb'],
+    'BUCK': EXTENSIONS['bzl'],
     'BUILD': EXTENSIONS['bzl'],
     'Cargo.toml': EXTENSIONS['toml'] | {'cargo'},
     'Cargo.lock': EXTENSIONS['toml'] | {'cargo-lock'},
@@ -398,7 +402,6 @@
     'config.ru': EXTENSIONS['rb'],
     'Containerfile': {'text', 'dockerfile'},
     'CONTRIBUTING': EXTENSIONS['txt'],
-    'copy.bara.sky': EXTENSIONS['bzl'],
     'COPYING': EXTENSIONS['txt'],
     'Dockerfile': {'text', 'dockerfile'},
     'direnvrc': EXTENSIONS['bash'],
@@ -418,6 +421,7 @@
     'makefile': EXTENSIONS['mk'],
     'NEWS': EXTENSIONS['txt'],
     'NOTICE': EXTENSIONS['txt'],
+    'PACKAGE': EXTENSIONS['bzl'],
     'PATENTS': EXTENSIONS['txt'],
     'Pipfile': EXTENSIONS['toml'],
     'Pipfile.lock': EXTENSIONS['json'],