Updated README

README.md

@@ -4,7 +4,7 @@ My Today I Learned snippets. Inspired by [jbranchaud/til](https://github.com/jbr
 
 Search these TILs at https://til.simonwillison.net/
 
-<!-- count starts -->515<!-- count ends --> TILs so far. <a href="https://til.simonwillison.net/til/feed.atom">Atom feed here</a>.
+<!-- count starts -->516<!-- count ends --> TILs so far. <a href="https://til.simonwillison.net/til/feed.atom">Atom feed here</a>.
 
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 ## github-actions
@@ -226,6 +226,7 @@ Search these TILs at https://til.simonwillison.net/
 * [Show files opened by pytest tests](https://github.com/simonw/til/blob/main/pytest/show-files-opened-by-tests.md) - 2022-12-11
 * [Mocking subprocess with pytest-subprocess](https://github.com/simonw/til/blob/main/pytest/pytest-subprocess.md) - 2023-03-08
 * [Snapshot testing with Syrupy](https://github.com/simonw/til/blob/main/pytest/syrupy.md) - 2023-09-26
+* [Mocking Stripe signature checks in a pytest fixture](https://github.com/simonw/til/blob/main/pytest/pytest-stripe-signature.md) - 2024-07-01
 
 ## github