diff --git a/.rubocop.yml b/.rubocop.yml
index 0a5a84c6e..07de7bad4 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -9,7 +9,7 @@ AllCops:
     - "spec/**/*"
   NewCops: enable
   UseCache: false
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 3.2
 
 ##################### Style ####################################
 
diff --git a/Dockerfile.production b/Dockerfile.production
index 438d729e9..f5791036e 100644
--- a/Dockerfile.production
+++ b/Dockerfile.production
@@ -65,14 +65,16 @@ RUN \
 RUN \
   --mount=type=cache,target=/var/cache/apt,sharing=locked \
   --mount=type=cache,target=/var/lib/apt,sharing=locked \
+  DEBIAN_FRONTEND=noninteractive \
   apt-get update -qq && \
   apt-get install -y --no-install-recommends \
+  default-jre-headless \
+  ca-certificates-java && \
+  apt-get install -y --no-install-recommends \
   libjemalloc2 \
   groff-base \
   postgresql-client \
   netcat-openbsd \
-  npm \
-  default-jre-headless \
   poppler-utils \
   librsvg2-2 \
   libvips42 \