diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9911431..7fe6e98 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 # Pytest
 atomicwrites==1.2.1
 attrs==18.2.0
-more-itertools==5.0.0
+more-itertools==10.7.0
 pluggy==0.8.0
 py==1.7.0
 pytest==4.0.2