diff --git a/requirements-dev.txt b/requirements-dev.txt
index 16ae072..76de4fe 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-add-trailing-comma==1.0.0
+add-trailing-comma==1.4.1
 flake8==3.7.7
 flake8-commas==2.0.0
 flake8-comprehensions==2.1.0