diff --git a/requirements/development.txt b/requirements/development.txt
index d138fa8..1df91f2 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -7,4 +7,6 @@ ipython==7.31.1
 wheel==0.37.0
 python-coveralls==2.9.3
 vcrpy==4.1.1
-aiohttp==3.7.4
+aiohttp==3.13.3
+filelock>=3.20.3 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.6.3 # not directly required, pinned by Snyk to avoid a vulnerability