diff --git a/requirements.dev.txt b/requirements.dev.txt
index bd138b1ed..c071f208d 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 black>=20.8b1
 bump2version==1.0.1
 covidcast==0.1.5