diff --git a/dev_requirements.txt b/dev_requirements.txt
index a66ce75d..ba4f32bf 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -8,7 +8,7 @@ uvloop>=0.9.1
 aioredis>=1.1.0
 wheel>=0.31.0
 rethinkdb>=2.3.0
-sphinx>=1.7.2
+sphinx>=1.7.3
 sphinx-rtd-theme>=0.3.0
 aresponses>=1.0.0
 tox>=3.0.0
diff --git a/requirements.txt b/requirements.txt
index 456d515a..9497f245 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 aiohttp>=3.1.3
 Babel>=2.5.3
-certifi>=2018.01.18
+certifi>=2018.4.16