diff --git a/README.md b/README.md
index 95ebdbb9b..8648d64d3 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,10 @@ It means that composer will look at `master` branch of repository configured und
 
 ## Changelog
 
+### 2023-09-18
+
+- Fix for `ShellDispatcher` where `null` was passed to `strpos` function.
+
 ### 2023-08-18
 
 - Fixed PHP8 deprecation notices. Related mostly to passing null as a `$haystack` value.