diff --git a/package-lock.json b/package-lock.json
index 719e8c52..a0f1ace5 100644
--- a/package-lock.json
+++ b/package-lock.json
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       "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.0.tgz",
@@ -7006,61 +6315,12 @@
       "optional": true
     },
     "wide-align": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
-      "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2"
-      },
-      "dependencies": {
-        "ansi-regex": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-          "dev": true
-        },
-        "code-point-at": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-          "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-          "dev": true
-        },
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-          "dev": true,
-          "requires": {
-            "number-is-nan": "1.0.1"
-          }
-        },
-        "number-is-nan": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
-          "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
-          "dev": true
-        },
-        "string-width": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-          "dev": true,
-          "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
-          }
-        },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "2.1.1"
-          }
-        }
+        "string-width": "2.1.1"
       }
     },
     "window-size": {
@@ -7142,6 +6402,18 @@
       "requires": {
         "fd-slicer": "1.0.1"
       }
+    },
+    "zip-stream": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-1.2.0.tgz",
+      "integrity": "sha1-qLxF9MG0lpnGuQGYuqyqzbzUugQ=",
+      "dev": true,
+      "requires": {
+        "archiver-utils": "1.3.0",
+        "compress-commons": "1.2.2",
+        "lodash": "4.17.10",
+        "readable-stream": "2.2.2"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 77425ea9..bd2dd38a 100644
--- a/package.json
+++ b/package.json
@@ -28,9 +28,9 @@
     "url": "https://github.com/openseadragon/openseadragon.git"
   },
   "devDependencies": {
-    "grunt": "^1.0.3",
+    "grunt": "^1.0.4",
     "grunt-contrib-clean": "^1.1.0",
-    "grunt-contrib-compress": "^1.4.3",
+    "grunt-contrib-compress": "^1.5.0",
     "grunt-contrib-concat": "^1.0.1",
     "grunt-contrib-connect": "^1.0.2",
     "grunt-contrib-qunit": "^3.1.0",