diff --git a/preprocess/requirements.txt b/preprocess/requirements.txt
index 9ed7cb2..dd160c2 100644
--- a/preprocess/requirements.txt
+++ b/preprocess/requirements.txt
@@ -1,2 +1,2 @@
 click==7.0
-Pillow==5.3.0
+Pillow==8.2.0
diff --git a/requirements.txt b/requirements.txt
index 89e691c..99a8295 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ parso==0.3.1
 patsy==0.5.1
 pexpect==4.6.0
 pickleshare==0.7.5
-Pillow==5.3.0
+Pillow==8.2.0
 pkg-resources==0.0.0
 plac==0.9.6
 plotly==3.3.0