diff --git a/dev-requirements.txt b/dev-requirements.txt
index 64b46d91..aa8bd92c 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -27,4 +27,5 @@ securesystemslib==0.10.8
 tox==2.9.1
 
 # Linting requirements.
-pylint==1.7.5
+pylint==1.8.1
+bandit==1.4.0