diff --git a/libraries/botbuilder-adapters-slack/requirements.txt b/libraries/botbuilder-adapters-slack/requirements.txt
index 21f25976c..7d5e709cc 100644
--- a/libraries/botbuilder-adapters-slack/requirements.txt
+++ b/libraries/botbuilder-adapters-slack/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.6.2
+aiohttp==3.7.4
 pyslack
 botbuilder-core==4.10.0
 slackclient
\ No newline at end of file