diff --git a/setup.py b/setup.py
index 2e398add..a2d2f8d9 100644
--- a/setup.py
+++ b/setup.py
@@ -76,7 +76,8 @@ def run(self):
 		'aiohttp>=3.8.3,<4',
 		'fastjsonschema>=2.16.2,<3',
 		'kazoo>=2.9.0,<3',
-		'PyYAML>=6.0,<7'
+		'PyYAML>=6.0,<7',
+		'yarl<1.15.3',  # aiohttp dependency, later versions break Python 3.8 compatibility
 	],
 	extras_require={
 		'git': 'pygit2<1.12',  # For Alpine 3.16 / Python 3.10, use pygit2>=1.9,<1.10