diff --git a/testing-type-safe-code/jest-data-transformation-starter/package-lock.json b/testing-type-safe-code/jest-data-transformation-starter/package-lock.json
index a0e601b..ee950ff 100644
--- a/testing-type-safe-code/jest-data-transformation-starter/package-lock.json
+++ b/testing-type-safe-code/jest-data-transformation-starter/package-lock.json
@@ -2836,9 +2836,9 @@
       "license": "MIT"
     },
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-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.2.tgz",
-      "integrity": "sha512-PMSmkqxr106Xa156c2M265Z+FTrPl+oxd/rgOQy2tijQeK5TxQ43psO1ZCwhVOSdnn+RzkzlRz/eY4BgJBYVpg==",
+      "version": "3.15.2",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.15.2.tgz",
+      "integrity": "sha512-6EuL879VkRA+1Cz578mKMiKvjPNEuk6+r1JaFzoSWejZmtf7xWbIyw1e3KkxlkzTIt9Taw6JBhEppG7utc1P+w==",
       "dev": true,
       "license": "MIT",
       "dependencies": {