diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 5ee0763..491b2b5 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,6 +1,6 @@
 {
 	"name": "Ruby",
-	"image": "mcr.microsoft.com/devcontainers/ruby:1-3.3-bullseye",
+	"image": "mcr.microsoft.com/devcontainers/ruby:1-3.1-bullseye",
 	"features": {
 		"ghcr.io/itsmechlark/features/act:1": {},
 		"ghcr.io/devcontainers/features/docker-in-docker:2": {}
diff --git a/passageidentity.gemspec b/passageidentity.gemspec
index 9e8d188..4ed3b9a 100644
--- a/passageidentity.gemspec
+++ b/passageidentity.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |s|
     ' passwordless standalone auth solution with Passage by 1Password.'
   s.homepage = 'http://docs.passage.id/complete'
   s.license = 'MIT'
-  s.required_ruby_version = '>= 3.1.3'
+  s.required_ruby_version = '>= 3.1.6'
 
   s.metadata['source_code_uri'] = 'https://github.com/passageidentity/passage-ruby'
   s.metadata['changelog_uri'] = 'https://github.com/passageidentity/passage-ruby/CHANGELOG.md'