diff --git a/pipenv/patched/patched.txt b/pipenv/patched/patched.txt
index 41cb516e..e34df9fd 100644
--- a/pipenv/patched/patched.txt
+++ b/pipenv/patched/patched.txt
@@ -1,5 +1,5 @@
 safety
 crayons==0.1.2
 pipfile==0.0.2
-pip-tools==3.1.0
+pip-tools==3.5.0
 pip==19.0.3