diff --git a/.ruby-version b/.ruby-version
index be94e6f..15a2799 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.2.2
+3.3.0
diff --git a/Dockerfile b/Dockerfile
index 07af9aa..c2b9dc8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.2.2-alpine3.18
+FROM ruby:3.3.0-alpine3.18
 ARG KRANE_VERSION=3.0.1
 ARG KUBECTL_VERSION=1.26.3
 
diff --git a/Gemfile.lock b/Gemfile.lock
index e26b2ff..18d6845 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -362,4 +362,4 @@ DEPENDENCIES
   web-console (>= 3.3.0)
 
 BUNDLED WITH
-   2.4.17
+   2.5.5