diff --git a/samples/client/petstore/javascript-flowtyped/package-lock.json b/samples/client/petstore/javascript-flowtyped/package-lock.json
index 0384e828482e..70729cfad2b8 100644
--- a/samples/client/petstore/javascript-flowtyped/package-lock.json
+++ b/samples/client/petstore/javascript-flowtyped/package-lock.json
@@ -19,7 +19,7 @@
         "@babel/preset-flow": "^7.0.0",
         "babel-preset-react-app": "^7.0.0",
         "flow-copy-source": "^2.0.0",
-        "lodash": ">=4.17.19",
+        "lodash": ">=4.18.1",
         "rimraf": "^2.6.2"
       }
     },
@@ -3197,9 +3197,9 @@
       }
     },
     "node_modules/lodash": {
-      "version": "4.17.21",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
-      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+      "version": "4.18.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.18.1.tgz",
+      "integrity": "sha512-dMInicTPVE8d1e5otfwmmjlxkZoUpiVLwyeTdUsi/Caj/gfzzblBcCE5sRHV/AsjuCmxWrte2TNGSYuCeCq+0Q==",
       "dev": true
     },
     "node_modules/loose-envify": {
@@ -6763,9 +6763,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.21",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
-      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+      "version": "4.18.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.18.1.tgz",
+      "integrity": "sha512-dMInicTPVE8d1e5otfwmmjlxkZoUpiVLwyeTdUsi/Caj/gfzzblBcCE5sRHV/AsjuCmxWrte2TNGSYuCeCq+0Q==",
       "dev": true
     },
     "loose-envify": {
diff --git a/samples/client/petstore/javascript-flowtyped/package.json b/samples/client/petstore/javascript-flowtyped/package.json
index 393540acf328..f998655ba2d4 100644
--- a/samples/client/petstore/javascript-flowtyped/package.json
+++ b/samples/client/petstore/javascript-flowtyped/package.json
@@ -29,7 +29,7 @@
     "@babel/preset-flow": "^7.0.0",
     "babel-preset-react-app": "^7.0.0",
     "flow-copy-source": "^2.0.0",
-    "lodash": ">=4.17.19",
+    "lodash": ">=4.18.1",
     "rimraf": "^2.6.2"
   }
 }