diff --git a/_bibliography/papers.bib b/_bibliography/papers.bib
index edc349e..7b764c8 100644
--- a/_bibliography/papers.bib
+++ b/_bibliography/papers.bib
@@ -173,4 +173,5 @@ @inproceedings{fujinuma-grissom-ii-2017-substring
     booktitle = "Proceedings of the Eighth International Joint Conference on Natural Language Processing (IJCNLP)",
     year = "2017",
     pdf = "https://www.aclweb.org/anthology/I17-2013",
+    code = "https://github.com/akkikiki/katakana_segmentation",
 }