diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1223291..d988701 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,18 +1,18 @@
 -e .
 flake8==3.6.0
 async-timeout==3.0.1
-pytest==3.10.0
+pytest==3.10.1
 pytest-cov==2.6.0
 pytest-mock==1.10.0
 coverage==4.5.1
-sphinx==1.8.1
+sphinx==1.8.2
 pep257==0.7.0
 aiohttp-session==2.7.0
 aiopg[sa]==0.15.0
 aioredis==1.2.0
 hiredis==0.2.0
 passlib==1.7.1
-cryptography==2.3.1
+cryptography==2.4.1
 aiohttp==3.4.4
 pytest-aiohttp==0.3.0
 pyjwt==1.6.4