diff --git a/chapter-6/12-narrowing-our-target/requirements.txt b/chapter-6/12-narrowing-our-target/requirements.txt
index 40f55840..c9804187 100644
--- a/chapter-6/12-narrowing-our-target/requirements.txt
+++ b/chapter-6/12-narrowing-our-target/requirements.txt
@@ -1,4 +1,4 @@
 Flask==3.0.0
-pytest==7.4.2
+pytest==7.4.3
 typing-extensions==4.8.0
 Werkzeug==3.0.0