diff --git a/jest.config.js b/jest.config.js
index ca75fa4..ebceda6 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -3,5 +3,6 @@ module.exports = {
     '^.+\\.ts$': 'ts-jest'
   },
   testPathIgnorePatterns: ['/node_modules/', '/lib/'],
-  collectCoverageFrom: ['src/*']
+  collectCoverageFrom: ['src/*'],
+  setupFiles: ['./jest.setup-env.js']
 }
diff --git a/jest.setup-env.js b/jest.setup-env.js
new file mode 100644
index 0000000..57daa43
--- /dev/null
+++ b/jest.setup-env.js
@@ -0,0 +1,5 @@
+// Mock values for aws access keys, so that aws-sdk does not try to fetch
+// credential data from instance metadata endpoints during test ececutions
+
+process.env.AWS_ACCESS_KEY_ID = 'AKIAMOCKEDKEY'
+process.env.AWS_SECRET_ACCESS_KEY = 'this-does-not-matter'