diff --git a/requirements/dev.txt b/requirements/dev.txt
index 092e787..18b5601 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -4,7 +4,7 @@ check-manifest==0.35
 flake8==3.4.1
 ipdb==0.10.3
 nicfit.py[cookiecutter]==0.6.5
-pip-tools==1.9.0
+pip-tools==1.10.0
 sphinx_bootstrap_theme==0.6.0
 tox==2.8.2
 twine==1.9.1