diff --git a/dev-requirements.txt b/dev-requirements.txt
index 9d5c7d6..67f4117 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -11,7 +11,7 @@ flake8==3.5.0
 isort==4.2.15             # via pylint
 lazy-object-proxy==1.3.1  # via astroid
 mccabe==0.6.1             # via flake8, pylint
-pip-tools==1.10.1
+pip-tools==1.11.0
 pycodestyle==2.3.1        # via flake8
 pyflakes==1.6.0           # via flake8
 pylint==1.7.4