diff --git a/pyproject.toml b/pyproject.toml
index 25c2a2c6..ec1df6f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ classifiers = [
 dependencies = [
   "aleph-sdk-python>=1.0.0rc2",
   "aleph-message>=0.4.6",
-  "aiohttp==3.10.2",
+  "aiohttp==3.9.5",
   "typer==0.12.3",
   "python-magic==0.4.27",
   "pygments==2.18.0",