diff --git a/requirements.txt b/requirements.txt
index 4836630..6b97c52 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ importlib-metadata==1.4.0 # via pytest
 kiwisolver==1.1.0         # via matplotlib
 matplotlib==3.1.2
 mock==3.0.5               # via pytest-shutil
-more-itertools==8.1.0     # via pytest
+more-itertools==8.8.0     # via pytest
 numpy==1.18.1
 packaging==20.1           # via pytest
 pandas==0.25.3