diff --git a/requirements-dev.txt b/requirements-dev.txt
index f7e6cbd..881dec2 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -9,7 +9,7 @@ zipp==3.1.0
 atomicwrites==1.4.0
 attrs==19.3.0
 colorama==0.4.4
-more-itertools==8.3.0
+more-itertools==11.1.0
 pluggy==0.13.1
 py==1.10.0
 pytest==5.4.3