diff --git a/requirements.txt b/requirements.txt
index dd2b978..4776a91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@
 #
 appdirs==1.4.3
 asn1crypto==0.24.0
-attrs==18.1.0
+attrs==18.2.0
 automat==0.7.0
 axiom==0.7.5
 cffi==1.11.5; platform_python_implementation != 'PyPy'