diff --git a/.circleci/config.yml b/.circleci/config.yml
index 21b5d71..1b48504 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -85,10 +85,7 @@ workflows:
           ruby_version: 3.0.3
       - bundle_lint_test:
           name: ruby2-7
-          ruby_version: 2.7.5
-      - bundle_lint_test:
-          name: ruby2-6
-          ruby_version: 2.6.9
+          ruby_version: 2.7.7
 
   nightly:
     triggers:
@@ -110,7 +107,4 @@ workflows:
           ruby_version: 3.0.3
       - bundle_lint_test:
           name: ruby2-7
-          ruby_version: 2.7.5
-      - bundle_lint_test:
-          name: ruby2-6
-          ruby_version: 2.6.9
+          ruby_version: 2.7.7