diff --git a/coursera/coursera_react2/package-lock.json b/coursera/coursera_react2/package-lock.json
index ba38d42..28b917b 100644
--- a/coursera/coursera_react2/package-lock.json
+++ b/coursera/coursera_react2/package-lock.json
@@ -2284,14 +2284,11 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
           "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
-          "dev": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2312,7 +2309,6 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
           "optional": true
         },
         "console-control-strings": {
@@ -2460,15 +2456,6 @@
           "dev": true,
           "optional": true
         },
-        "minimatch": {
-          "version": "3.0.4",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "brace-expansion": "^1.1.7"
-          }
-        },
         "minimist": {
           "version": "1.2.5",
           "bundled": true,
@@ -3600,9 +3587,9 @@
       "dev": true
     },
     "minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"