diff --git a/Dockerfile b/Dockerfile
index 1cafd3b5521c50..119c266b890da9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,17 +1,21 @@
 # syntax=docker/dockerfile:1.4
 
-FROM ghcr.io/moritzheiber/ruby-jemalloc:3.2.3-slim as ruby
-FROM node:${NODE_VERSION} as build
-
-# Ruby image to use for base image, change with [--build-arg RUBY_VERSION="3.2.2"]
-ARG RUBY_VERSION="3.2.2"
+# Please see https://docs.docker.com/engine/reference/builder for information about
+# the extended buildx capabilities used in this file.
+# Make sure multiarch TARGETPLATFORM is available for interpolation
+# See: https://docs.docker.com/build/building/multi-platform/
+ARG TARGETPLATFORM=${TARGETPLATFORM}
+ARG BUILDPLATFORM=${BUILDPLATFORM}
+
+# Ruby image to use for base image, change with [--build-arg RUBY_VERSION="3.2.3"]
+ARG RUBY_VERSION="3.2.3"
 # # Node version to use in base image, change with [--build-arg NODE_MAJOR_VERSION="20"]
 ARG NODE_MAJOR_VERSION="20"
 # Debian image to use for base image, change with [--build-arg DEBIAN_VERSION="bookworm"]
 ARG DEBIAN_VERSION="bookworm"
 # Node image to use for base image based on combined variables (ex: 20-bookworm-slim)
 FROM docker.io/node:${NODE_MAJOR_VERSION}-${DEBIAN_VERSION}-slim as node
-# Ruby image to use for base image based on combined variables (ex: 3.2.2-slim-bookworm)
+# Ruby image to use for base image based on combined variables (ex: 3.2.3-slim-bookworm)
 FROM docker.io/ruby:${RUBY_VERSION}-slim-${DEBIAN_VERSION} as ruby
 
 # Resulting version string is vX.X.X-MASTODON_VERSION_PRERELEASE+MASTODON_VERSION_METADATA
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index b5754594652208..59c2f0999a3cc7 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -9,7 +9,7 @@ def kmyblue_major
     end
 
     def kmyblue_minor
-      1
+      2
     end
 
     def kmyblue_flag