diff --git a/index.html b/index.html
index 9b10d28..f52a2e9 100644
--- a/index.html
+++ b/index.html
@@ -935,6 +935,7 @@ other console/curses tools
 <h3 id="in-2021">in 2021</h3>
 <ul>
 <li><a href="http://rantsideasstuff.com/posts/2021/01/31-budgeting-for-annual-expenses-with-hledger/">Zoran Zaric: Budgeting for annual expenses with Hledger</a> <!-- 2021/01/31 --></li>
+<li><a href="https://www.swalladge.net/archives/2021/01/30/hledger-tracking-capital-gains/">Samuel Walladge: Tracking capital gains with hledger</a> <!-- 2021/01/30 --></li>
 </ul>
 <h3 id="in-2020">in 2020</h3>
 <ul>
diff --git a/index.md b/index.md
index 2d9953a..35fcb27 100644
--- a/index.md
+++ b/index.md
@@ -904,6 +904,7 @@ Note these often work quite well for other ledger-likes, not just the one they a
 ### in 2021
 
 - [Zoran Zaric: Budgeting for annual expenses with Hledger](http://rantsideasstuff.com/posts/2021/01/31-budgeting-for-annual-expenses-with-hledger/) <!-- 2021/01/31 -->
+- [Samuel Walladge: Tracking capital gains with hledger](https://www.swalladge.net/archives/2021/01/30/hledger-tracking-capital-gains/) <!-- 2021/01/30 -->
 
 ### in 2020