diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 7e41a083..c2c4015d 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-ARG RUBY_VERSION=3.3.1
+ARG RUBY_VERSION=3.3.4
 FROM ruby:${RUBY_VERSION}-slim-bullseye
 
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
diff --git a/.ruby-version b/.ruby-version
index bea438e9..a0891f56 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.1
+3.3.4
diff --git a/Gemfile.lock b/Gemfile.lock
index fe1c9219..182894dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -518,7 +518,7 @@ DEPENDENCIES
   webmock
 
 RUBY VERSION
-   ruby 3.3.1p55
+   ruby 3.3.4p94
 
 BUNDLED WITH
    2.5.9