diff --git a/.ruby-version b/.ruby-version
index 667b8b10..be94e6f5 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1,2 +1 @@
-3.2.1
-
+3.2.2
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 07245819..4b3a15a3 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -6,7 +6,7 @@ This doc explains how to go about running Postal in development to allow you to
 
 You will need a MySQL database server to get started. Postal needs to be able to make databases within that server whenever new mail servers are created so the permissions that you use should be suitable for that.
 
-You'll also need Ruby. Postal currently uses Ruby 3.2.1. Install that using whichever version manager takes your fancy - rbenv, asdf, rvm etc.
+You'll also need Ruby. Postal currently uses Ruby 3.2.2. Install that using whichever version manager takes your fancy - rbenv, asdf, rvm etc.
 
 ## Clone
 
diff --git a/Dockerfile b/Dockerfile
index b1b17c10..cf07188b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
-FROM ruby:3.2.1-bullseye AS base
+FROM ruby:3.2.2-bullseye AS base
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN apt-get update \
   && apt-get install -y --no-install-recommends \
   software-properties-common dirmngr apt-transport-https \
-  && (curl -sL https://deb.nodesource.com/setup_14.x | bash -) \
+  && (curl -sL https://deb.nodesource.com/setup_20.x | bash -) \
   && rm -rf /var/lib/apt/lists/*
 
 # Install main dependencies