diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9d35887..aad1882 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -14,7 +14,7 @@ atomicwrites==1.3.0
 colorama==0.4.3
 py==1.8.0
 pytest==5.4.1
-more-itertools==8.0.0
+more-itertools==10.8.0
 importlib-metadata==1.6.0
 six==1.13.0
 zipp==3.1.0