diff --git a/requirements/requirements-test-optional.txt b/requirements/requirements-test-optional.txt
index a888a21..a91d0a6 100644
--- a/requirements/requirements-test-optional.txt
+++ b/requirements/requirements-test-optional.txt
@@ -1,4 +1,4 @@
-numpy==1.26.2
+numpy==1.26.3
 pymongo==4.6.1; implementation_name=='cpython'
 redis==5.0.1
 zarr==2.16.1; platform_system!='Windows'