diff --git a/requirements.txt b/requirements.txt
index c6f78f1c..21a43549 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
 jsonschema>=2.4.0
-aiohttp>=1.2.0
-aiohttp_cors>=0.4.0
-yarl>=0.7.0
+aiohttp>=1.3.5,<=1.4.0 # pyup: ignore
+aiohttp-cors==0.5.1 # pyup: ignore
+yarl>=0.9.8,<0.10 # pyup: ignore
 typing>=3.5.3.0 # Otherwise yarl fail with python 3.4 
 Jinja2>=2.7.3
-raven>=5.2.0
+raven>=5.23.0
 psutil>=3.0.0
-zipstream>=1.1.3
+zipstream>=1.1.4