diff --git a/requirements.txt b/requirements.txt
index 77f46ac..0448f73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==3.0.3
 gunicorn==23.0.0
 msgpack-python==0.5.6
-pytest==8.3.3
+pytest==8.3.4
 requests==2.32.3  # only required for try_postcodes
 pytest-cov==5.0.0
 sentry-sdk[flask]==2.17.0