diff --git a/.circleci/config.yml b/.circleci/config.yml
index 689275c..e1dbfeb 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -10,7 +10,7 @@ jobs:
     parallelism: 1
     resource_class: small
     docker:
-      - image: cimg/ruby:3.3.2
+      - image: cimg/ruby:3.3.4
     steps:
       - checkout
       - ruby/install-deps:
diff --git a/.ruby-version b/.ruby-version
index 4772543..a0891f5 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.2
+3.3.4
diff --git a/.tool-versions b/.tool-versions
index 10101bd..05668b7 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-ruby 3.3.2
+ruby 3.3.4