diff --git a/requirements.txt b/requirements.txt
index 786f584..befac2e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ pandas==1.1.3
 patsy==0.5.1
 pcst-fast==1.0.7
 pickle5==0.0.11
-Pillow==8.1.1
+Pillow==9.0.0
 plotly==4.11.0
 pluggy==0.13.1
 py==1.10.0