diff --git a/.tool-versions b/.tool-versions
index f62fc07..243b5df 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-nodejs 14.17.0
+nodejs 16.15.1
diff --git a/jest.config.js b/jest.config.js
index 563d4cc..2daad9e 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -3,9 +3,8 @@ module.exports = {
   moduleFileExtensions: ['js', 'ts'],
   testEnvironment: 'node',
   testMatch: ['**/*.test.ts'],
-  testRunner: 'jest-circus/runner',
   transform: {
     '^.+\\.ts$': 'ts-jest'
   },
   verbose: true
-}
\ No newline at end of file
+}