diff --git a/package-lock.json b/package-lock.json
index eb9b527..7686d6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1321,9 +1321,9 @@
       }
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.2.tgz",
+      "integrity": "sha512-rIqbOrKb8GJmx/5bc2M0QchhUouMXSpd1RTclXsB41JdL+VtnojfaJR+h7F9k18/4kHUsBFgk80Uk+q569vjPA=="
     },
     "minipass": {
       "version": "2.9.0",
@@ -1343,19 +1343,9 @@
       }
     },
     "mkdirp": {
-      "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
-      "requires": {
-        "minimist": "0.0.8"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.8",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
-        }
-      }
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.0.tgz",
+      "integrity": "sha512-4Pb+8NJ5DdvaWD797hKOM28wMXsObb4HppQdIwKUHFiB69ICZ4wktOE+qsGGBy7GtwgYNizp0R9KEy4zKYBLMg=="
     },
     "mocha": {
       "version": "5.2.0",
@@ -1384,6 +1374,21 @@
           "requires": {
             "ms": "2.0.0"
           }
+        },
+        "minimist": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+          "dev": true
+        },
+        "mkdirp": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "dev": true,
+          "requires": {
+            "minimist": "0.0.8"
+          }
         }
       }
     },
@@ -1416,6 +1421,21 @@
         "on-finished": "^2.3.0",
         "type-is": "^1.6.4",
         "xtend": "^4.0.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+        },
+        "mkdirp": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "requires": {
+            "minimist": "0.0.8"
+          }
+        }
       }
     },
     "nan": {
@@ -2602,6 +2622,23 @@
         "tar-fs": "^2.0.0",
         "tunnel-agent": "^0.6.0",
         "which-pm-runs": "^1.0.0"
+      },
+      "dependencies": {
+        "mkdirp": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "requires": {
+            "minimist": "0.0.8"
+          },
+          "dependencies": {
+            "minimist": {
+              "version": "0.0.8",
+              "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+              "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+            }
+          }
+        }
       }
     },
     "process-nextick-args": {
@@ -3053,6 +3090,21 @@
         "mkdirp": "^0.5.0",
         "safe-buffer": "^5.1.2",
         "yallist": "^3.0.3"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+        },
+        "mkdirp": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "requires": {
+            "minimist": "0.0.8"
+          }
+        }
       }
     },
     "tar-fs": {
@@ -3064,6 +3116,21 @@
         "mkdirp": "^0.5.1",
         "pump": "^3.0.0",
         "tar-stream": "^2.0.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+        },
+        "mkdirp": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "requires": {
+            "minimist": "0.0.8"
+          }
+        }
       }
     },
     "tar-stream": {
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index ef91c0b..8b22ce7
--- a/package.json
+++ b/package.json
@@ -15,9 +15,9 @@
     "json5": "^2.1.0",
     "jsonfile": "^5.0.0",
     "mathjs": "^5.3.1",
-    "minimist": "^1.2.0",
+    "minimist": "^1.2.2",
     "moment": "^2.22.2",
-    "mkdirp": "^0.5.1",
+    "mkdirp": "^1.0.0",
     "multer": "^1.4.1",
     "request": "^2.88.0",
     "request-promise-native": "^1.0.5",