diff --git a/Surrogate_MBO/requirements.txt b/Surrogate_MBO/requirements.txt
index 3b02b4b..c0f179a 100644
--- a/Surrogate_MBO/requirements.txt
+++ b/Surrogate_MBO/requirements.txt
@@ -1,5 +1,5 @@
 absl-py==0.7.1
-aiohttp==3.6.2
+aiohttp==3.7.4
 astor==0.7.1
 astunparse==1.6.3
 async-timeout==3.0.1