diff --git a/.ruby-version b/.ruby-version
index 24ba9a38..9c25013d 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.0
+3.3.6
diff --git a/Dockerfile.web b/Dockerfile.web
index a53cb0da..5f671519 100644
--- a/Dockerfile.web
+++ b/Dockerfile.web
@@ -2,7 +2,7 @@
 # STEP 1 build base image
 ############################
 
-FROM ruby:2.7.0-buster as base
+FROM ruby:3.2.2-buster as base
 
 RUN apt-get update \
     && apt-get install -y apt-transport-https \
diff --git a/Dockerfile.worker b/Dockerfile.worker
index 82f3f4fa..9f86e548 100644
--- a/Dockerfile.worker
+++ b/Dockerfile.worker
@@ -2,7 +2,7 @@
 # STEP 1 build base image
 ############################
 
-FROM ruby:2.7.0-buster as base
+FROM ruby:3.2.2-buster as base
 
 RUN apt-get update \
     && apt-get install -y apt-transport-https \
diff --git a/Gemfile b/Gemfile
index 163b284e..5bca66a9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -79,4 +79,4 @@ end
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 # gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
 
-ruby '2.7.0'
+ruby '3.3.6'