diff --git a/requirements.txt b/requirements.txt
index 095bc8e..0523cef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-attrs==17.4.0
+attrs==19.3.0
 certifi==2018.1.18
 chardet==3.0.4
 configparser==3.5.0