diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0619af2..192e286 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,6 +17,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
 
     steps:
     - uses: actions/checkout@v4
diff --git a/Gemfile.lock b/Gemfile.lock
index 1b0e3fd..1eb8fb1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
     king_konf (1.0.1)
     method_source (1.0.0)
     mini_portile2 (2.8.5)
-    minitest (5.18.0)
+    minitest (5.25.4)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -69,4 +69,4 @@ DEPENDENCIES
   timecop
 
 BUNDLED WITH
-   2.4.9
+   2.6.2