diff --git a/requirements-dev.txt b/requirements-dev.txt
index aaa80e3..5a5666c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ pyflakes==2.2.0
 # Libs do PyTest
 attrs==20.1.0
 iniconfig==1.0.1
-more-itertools==8.4.0
+more-itertools==8.6.0
 packaging==20.4
 pluggy==0.13.1
 py==1.9.0