diff --git a/requirements.txt b/requirements.txt
index f266615..8e76489 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ future==0.17.1
 idna==2.8
 kiwisolver==1.1.0
 matplotlib==3.1.0
-more-itertools==7.0.0
+more-itertools==8.8.0
 numpy==1.16.4
 pandas==0.24.2
 pep8==1.7.1