diff --git a/package-lock.json b/package-lock.json
index d7211b1..f5d0ae9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -442,14 +442,6 @@
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       "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
     },
-    "is-absolute": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/is-absolute/-/is-absolute-0.1.7.tgz",
-      "integrity": "sha1-hHSREZ/MtftDYhfMc39/qtUPYD8=",
-      "requires": {
-        "is-relative": "^0.1.0"
-      }
-    },
     "is-binary-path": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
@@ -492,11 +484,6 @@
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       "dev": true
     },
-    "is-relative": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/is-relative/-/is-relative-0.1.3.tgz",
-      "integrity": "sha1-kF/uiuhvRbPsYUvDwVyGnfCHboI="
-    },
     "is-unicode-supported": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/is-unicode-supported/-/is-unicode-supported-0.1.0.tgz",
@@ -509,9 +496,9 @@
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
     },
     "isexe": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/isexe/-/isexe-1.1.2.tgz",
-      "integrity": "sha1-NvPiLmB1CSD15yQaR2qMakInWtA="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
+      "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
     },
     "js-yaml": {
       "version": "4.1.0",
@@ -851,12 +838,11 @@
       "integrity": "sha1-q6A/w7tzbWyIsJHQE9io5ZDYRxg="
     },
     "which": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/which/-/which-1.2.4.tgz",
-      "integrity": "sha1-FVf5YIBgTlsRs1meufRbUKnv1yI=",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
       "requires": {
-        "is-absolute": "^0.1.7",
-        "isexe": "^1.1.1"
+        "isexe": "^2.0.0"
       }
     },
     "wide-align": {
diff --git a/package.json b/package.json
index b429825..172a6cf 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "shell-quote": "1.6.1",
     "spawn-sync": "1.0.15",
     "when": "3.7.7",
-    "which": "1.2.4",
+    "which": "2.0.2",
     "winreg": "0.0.12"
   },
   "devDependencies": {