diff --git a/.licensed.yml b/.licensed.yml
index b5ad994..0d7f415 100644
--- a/.licensed.yml
+++ b/.licensed.yml
@@ -12,6 +12,7 @@ reviewed:
     - pathname-common_prefix
 
     # bsd-2 or ruby
+    - csv
     - logger
     - net-http
     - racc
diff --git a/.licenses/bundler/csv.dep.yml b/.licenses/bundler/csv.dep.yml
new file mode 100644
index 0000000..558e984
--- /dev/null
+++ b/.licenses/bundler/csv.dep.yml
@@ -0,0 +1,49 @@
+---
+name: csv
+version: 3.3.2
+type: bundler
+summary: CSV Reading and Writing
+homepage: https://github.com/ruby/csv
+license: other
+licenses:
+- sources: LICENSE.txt
+  text: |
+    Copyright (C) 2005-2016 James Edward Gray II. All rights reserved.
+    Copyright (C) 2007-2017 Yukihiro Matsumoto. All rights reserved.
+    Copyright (C) 2017 SHIBATA Hiroshi. All rights reserved.
+    Copyright (C) 2017 Olivier Lacan. All rights reserved.
+    Copyright (C) 2017 Espartaco Palma. All rights reserved.
+    Copyright (C) 2017 Marcus Stollsteimer. All rights reserved.
+    Copyright (C) 2017 pavel. All rights reserved.
+    Copyright (C) 2017-2018 Steven Daniels. All rights reserved.
+    Copyright (C) 2018 Tomohiro Ogoke. All rights reserved.
+    Copyright (C) 2018 Kouhei Sutou. All rights reserved.
+    Copyright (C) 2018 Mitsutaka Mimura. All rights reserved.
+    Copyright (C) 2018 Vladislav. All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+- sources: README.md
+  text: |-
+    The gem is available as open source under the terms of the [2-Clause BSD License](https://opensource.org/licenses/BSD-2-Clause).
+
+    See LICENSE.txt for details.
+notices: []