diff --git a/package-lock.json b/package-lock.json
index 2da44b8e..02aa852e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -229,6 +229,12 @@
         }
       }
     },
+    "@types/minimatch": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
+      "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==",
+      "dev": true
+    },
     "@types/node": {
       "version": "8.10.38",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.38.tgz",
@@ -3472,9 +3478,9 @@
       }
     },
     "ensure-posix-path": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/ensure-posix-path/-/ensure-posix-path-1.0.2.tgz",
-      "integrity": "sha1-pls+QtC3HPxYXrd0+ZQ8jZuRsMI=",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ensure-posix-path/-/ensure-posix-path-1.1.1.tgz",
+      "integrity": "sha512-VWU0/zXzVbeJNXvME/5EmLuEj2TauvoaTz6aFYK1Z92JCBlDlZ3Gu0tuGR42kpW1754ywTs+QB0g5TP0oj9Zaw==",
       "dev": true
     },
     "env-paths": {
@@ -6049,9 +6055,9 @@
       }
     },
     "matcher-collection": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/matcher-collection/-/matcher-collection-1.0.5.tgz",
-      "integrity": "sha512-nUCmzKipcJEwYsBVAFh5P+d7JBuhJaW1xs85Hara9xuMLqtCVUrW6DSC0JVIkluxEH2W45nPBM/wjHtBXa/tYA==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/matcher-collection/-/matcher-collection-1.1.2.tgz",
+      "integrity": "sha512-YQ/teqaOIIfUHedRam08PB3NK7Mjct6BvzRnJmpGDm8uFXpNr1sbY4yuflI5JcEs6COpYA0FpRQhSDBf1tT95g==",
       "dev": true,
       "requires": {
         "minimatch": "^3.0.2"
@@ -10400,13 +10406,14 @@
       "dev": true
     },
     "walk-sync": {
-      "version": "0.3.4",
-      "resolved": "https://registry.npmjs.org/walk-sync/-/walk-sync-0.3.4.tgz",
-      "integrity": "sha512-ttGcuHA/OBnN2pcM6johpYlEms7XpO5/fyKIr48541xXedan4roO8cS1Q2S/zbbjGH/BarYDAMeS2Mi9HE5Tig==",
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/walk-sync/-/walk-sync-1.1.3.tgz",
+      "integrity": "sha512-23ivbET0Q/389y3EHpiIgxx881AS2mwdXA7iBqUDNSymoTPYb2jWlF3gkuuAP1iLgdNXmiHw/kZ/wZwrELU6Ag==",
       "dev": true,
       "requires": {
-        "ensure-posix-path": "^1.0.0",
-        "matcher-collection": "^1.0.0"
+        "@types/minimatch": "^3.0.3",
+        "ensure-posix-path": "^1.1.0",
+        "matcher-collection": "^1.1.1"
       }
     },
     "walkdir": {
diff --git a/package.json b/package.json
index 30127f41..ce0855d4 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "spectron": "^3.3.0",
     "standard": "*",
     "tape": "^4.9.1",
-    "walk-sync": "^0.3.4"
+    "walk-sync": "^1.1.3"
   },
   "engines": {
     "node": ">=4.0.0"