diff --git a/requirements-dev.txt b/requirements-dev.txt
index 86413d3..295c199 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,4 @@
+aiohttp!=3.11.0 # https://github.com/pnuckowski/aioresponses/issues/263
 aioresponses
 covdefaults>=2.1.0
 coverage