diff --git a/solidity/truffle-examples/url-requests/package-lock.json b/solidity/truffle-examples/url-requests/package-lock.json
index 15f90e47..5e859cb6 100644
--- a/solidity/truffle-examples/url-requests/package-lock.json
+++ b/solidity/truffle-examples/url-requests/package-lock.json
@@ -1324,6 +1324,16 @@
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         "mkdirp": ">=0.5 0",
         "rimraf": "2"
+      },
+      "dependencies": {
+        "mkdirp": {
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+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+          "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
+          "requires": {
+            "minimist": "^1.2.6"
+          }
+        }
       }
     },
     "function-bind": {
@@ -1891,25 +1901,14 @@
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     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-      "optional": true
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
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-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
-      "requires": {
-        "minimist": "0.0.8"
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-      "dependencies": {
-        "minimist": {
-          "version": "0.0.8",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
-        }
-      }
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-2.1.3.tgz",
+      "integrity": "sha512-sjAkg21peAG9HS+Dkx7hlG9Ztx7HLeKnvB3NQRcu/mltCVmvkF0pisbiTSfDVYTT86XEfZrTUosLdZLStquZUw=="
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     "mkdirp-promise": {
       "version": "5.0.1",