diff --git a/.circleci/config.yml b/.circleci/config.yml
index e7e2f71..3e8c139 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,15 +9,21 @@ orbs:
 
 jobs:
   run-specs-with-postgres:
-    executor: solidusio_extensions/postgres
+    executor:
+      name: solidusio_extensions/postgres
+      ruby_version: "3.0"
     steps:
       - solidusio_extensions/run-tests
   run-specs-with-mysql:
-    executor: solidusio_extensions/mysql
+    executor:
+      name: solidusio_extensions/mysql
+      ruby_version: "3.0"
     steps:
       - solidusio_extensions/run-tests
   lint-code:
-    executor: solidusio_extensions/sqlite-memory
+    executor:
+      name: solidusio_extensions/sqlite-memory
+      ruby_version: "3.0"
     steps:
       - solidusio_extensions/lint-code
 
@@ -35,7 +41,7 @@ workflows:
           filters:
             branches:
               only:
-                - master
+                - main
     jobs:
       - run-specs-with-postgres
       - run-specs-with-mysql
diff --git a/solidus_marketplace_gateway.gemspec b/solidus_marketplace_gateway.gemspec
index 4e145e4..2e1f5e9 100644
--- a/solidus_marketplace_gateway.gemspec
+++ b/solidus_marketplace_gateway.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
   spec.metadata['source_code_uri'] = 'https://github.com/magma-labs/solidus_marketplace_gateway'
   spec.metadata['changelog_uri'] = 'https://github.com/magma-labs/solidus_marketplace_gateway/releases'
 
-  spec.required_ruby_version = Gem::Requirement.new('~> 2.5')
+  spec.required_ruby_version = Gem::Requirement.new('> 2.5')
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
   spec.executables = files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_dependency 'solidus_core', ['>= 2.0.0', '< 3']
+  spec.add_dependency 'solidus_core', ['>= 3.2', '< 5']
   spec.add_dependency 'solidus_marketplace'
   spec.add_dependency 'solidus_stripe'
   spec.add_dependency 'solidus_support', '~> 0.5'