diff --git a/themes.txt b/themes.txt
index 15a3b074..4add59cc 100644
--- a/themes.txt
+++ b/themes.txt
@@ -459,6 +459,7 @@ github.com/WingLim/hugo-tania
 github.com/Wivik/am-writing-hugo-theme
 github.com/Wivik/vinyl-records-collection-theme
 github.com/wlh320/hugo-theme-hulga
+github.com/wonyoung-jang/hugo-PolyRhythmic
 github.com/wtoll/venture
 github.com/xaprb/story
 github.com/xaviablaza/hugo-lodi-theme