diff --git a/.circleci/config.yml b/.circleci/config.yml
index c066297c..0511d5e2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,7 +22,7 @@ workflows:
           matrix:
             parameters:
               # os: [linux]
-              ruby-version: ["2.5", "2.6", "2.7", "3.0", "3.1"]
+              ruby-version: ["2.6", "2.7", "3.0", "3.1", "3.2", "3.3"]
 
 jobs:
   build:
diff --git a/Gemfile.lock b/Gemfile.lock
index 391a3347..abc4fa6e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
     minitest (5.15.0)
     multi_json (1.15.0)
     multipart-post (2.1.1)
-    nio4r (2.5.8)
+    nio4r (2.7.4)
     octokit (4.22.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -198,4 +198,4 @@ DEPENDENCIES
   u3d!
 
 BUNDLED WITH
-   2.3.9
+   2.3.25