diff --git a/README.md b/README.md
index 841ca4f..6a94894 100644
--- a/README.md
+++ b/README.md
@@ -49,5 +49,6 @@ This repo uses a [Python script](build_readme.py), triggered by GitHub Actions,
 - [Progress bars for long-running loops or tasks](Python/progress-bars.md) - 2024-08-19
 - [Python decorators (the @things before functions)](Python/decorators.md) - 2024-08-11
 - [Rich console output, pretty printing and formatting](Python/rich-console-output.md) - 2024-08-19
+- [Small Integer Caching](Python/small-integer-caching.md) - 2024-08-28
 - [Type hints are useful but not strictly enforced](Python/type-hints.md) - 2024-08-12
 <!-- index ends -->