diff --git a/tools/requirements.txt b/tools/requirements.txt
index be83e0617..4df78f755 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -1,6 +1,6 @@
 aiohttp==3.9.1
 async-timeout==4.0.3
-pytz==2023.3.post1
+pytz==2023.4
 sentry-sdk==1.16.0
 structlog==23.2.0
 taskcluster==58.0.2