diff --git a/Dockerfile b/Dockerfile
index a4eb79d..9082b89 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3.1-bookworm
+FROM ruby:3.3.2-bookworm
 ARG TARGETPLATFORM
 
 # build essentials
diff --git a/build b/build
index 3361efa..d2d567a 100755
--- a/build
+++ b/build
@@ -5,7 +5,7 @@
 # set -o pipefail: prevent errors in a pipeline from being masked
 set -euo pipefail
 
-TAG=3.3.1-node-yarn-wkhtmltopdf-ffmpeg
+TAG=3.3.2-node-yarn-wkhtmltopdf-ffmpeg
 
 NAME=ghcr.io/denkungsart/ci-ruby:"$TAG"