diff --git a/requirements.txt b/requirements.txt
index 0622644..7731ba6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 absl-py==0.9.0
-aiohttp==3.6.2
+aiohttp==3.7.4
 asn1crypto==1.2.0
 astropy==4.0.1.post1
 astropy-healpix==0.5