diff --git a/misc/requirements/requirements-pylint-master.txt b/misc/requirements/requirements-pylint-master.txt
index 7ccb7786c..84db8381e 100644
--- a/misc/requirements/requirements-pylint-master.txt
+++ b/misc/requirements/requirements-pylint-master.txt
@@ -1,7 +1,7 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
 -e git+https://github.com/PyCQA/astroid.git#egg=astroid
-certifi==2017.4.17
+certifi==2017.7.27.1
 chardet==3.0.4
 github3.py==0.9.6
 idna==2.5