diff --git a/pythonBOOKS/Fluent-Python/code/17-futures/countries/requirements.txt b/pythonBOOKS/Fluent-Python/code/17-futures/countries/requirements.txt
index c6462ae..ac72018 100644
--- a/pythonBOOKS/Fluent-Python/code/17-futures/countries/requirements.txt
+++ b/pythonBOOKS/Fluent-Python/code/17-futures/countries/requirements.txt
@@ -1,3 +1,3 @@
-aiohttp==0.13.1
+aiohttp==3.7.4
 requests==2.5.1
 tqdm==1.0