diff --git a/tools/requirements.txt b/tools/requirements.txt
index 728fe64..fbcf626 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -11,7 +11,7 @@ kiwisolver==1.0.1
 matplotlib==3.0.2
 numpy==1.16.1
 openpyxl==2.6.0
-Pillow==5.4.1
+Pillow==8.2.0
 pyparsing==2.3.1
 python-dateutil==2.8.0
 pytz==2018.9