diff --git a/requirements-dev.txt b/requirements-dev.txt
index 655be061..111cd5f3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 -r requirements.txt
 mock
 nose
-sure==1.2.24
+sure==1.4.11
 coverage
 flake8==3.5.0
 freezegun
@@ -13,5 +13,5 @@ six>=1.9
 prompt-toolkit==1.0.14
 click==6.7
 inflection==0.3.1
-lxml==4.0.0
+lxml==4.2.3
 beautifulsoup4==4.6.0