diff --git a/package-lock.json b/package-lock.json
index 5a23bb0..c9d3ffc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -107,12 +107,11 @@
       "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
     },
     "config": {
-      "version": "1.30.0",
-      "resolved": "https://registry.npmjs.org/config/-/config-1.30.0.tgz",
-      "integrity": "sha1-HWCp81NIoTwXV5jThOgaWhbDum4=",
+      "version": "1.31.0",
+      "resolved": "https://registry.npmjs.org/config/-/config-1.31.0.tgz",
+      "integrity": "sha512-Ep/l9Rd1J9IPueztJfpbOqVzuKHQh4ZODMNt9xqTYdBBNRXbV4oTu34kCkkfdRVcDq0ohtpaeXGgb+c0LQxFRA==",
       "requires": {
-        "json5": "0.4.0",
-        "os-homedir": "1.0.2"
+        "json5": "^1.0.1"
       }
     },
     "cookiejar": {
@@ -358,9 +357,12 @@
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "json5": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-0.4.0.tgz",
-      "integrity": "sha1-BUNS5MTIDIbAkjh31EneF2pzLI0="
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+      "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
+      "requires": {
+        "minimist": "^1.2.0"
+      }
     },
     "jsprim": {
       "version": "1.4.1",
@@ -522,6 +524,11 @@
         "mime-db": "~1.33.0"
       }
     },
+    "minimist": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.7.tgz",
+      "integrity": "sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g=="
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -547,11 +554,6 @@
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.6.0.tgz",
       "integrity": "sha1-fb6uRPbKRU4fFoRR1jB0ZzWBPOM="
     },
-    "os-homedir": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
-      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
-    },
     "performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
diff --git a/package.json b/package.json
index 3789bcc..9d48e0a 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "author": "Bertrand Fan <bertrand@fan.net>",
   "license": "ISC",
   "dependencies": {
-    "config": "^1.25.1",
+    "config": "^1.31.0",
     "flickr-sdk": "^3.7.0",
     "flickr-upload": "^1.0.1",
     "level": "^6.0.1",