diff --git a/Dockerfile b/Dockerfile
index da1d1433d9..f6b4499fa6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 # This Dockerfile is meant for running the application in an AWS ECS container. The required
 # Rails credentials and ENV variables are all defined by the CloudFormation template and passed
 # into the container on startup
-FROM ruby:3.3
+FROM ruby:3.4
 
 RUN echo $(apt-cache search magick)
 
diff --git a/Dockerfile.dev b/Dockerfile.dev
index c9cb8c12a9..4535897a65 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,4 +1,4 @@
-FROM ruby:3.3-slim-bookworm
+FROM ruby:3.4-slim-bookworm
 
 RUN groupadd -g 1000 dmpt && useradd -u 1000 -g 1000 dmpt