diff --git a/tools/requirements.txt b/tools/requirements.txt
index 309914ebd..51964d870 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.6.2
+aiohttp==3.6.3
 async-timeout==3.0.1
 logbook==1.5.3
 raven==6.10.0