diff --git a/Dockerfile b/Dockerfile
index b0e50c3..b967b9a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:22.04@sha256:c7eb020043d8fc2ae0793fb35a37bff1cf33f156d4d4b12ccc7f3ef8706c38b1
+FROM ubuntu:22.04@sha256:3ba65aa20f86a0fad9df2b2c259c613df006b2e6d0bfcc8a146afb8c525a9751
 
 # NOTE:
 # python:3.11.4-bookworm とかを使った場合，Selenium を同時に複数動かせないので，