diff --git a/package-lock.json b/package-lock.json
index 5d26bbe..0942dd7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -373,7 +373,6 @@
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-4.0.2.tgz",
       "integrity": "sha1-e5JHYhwjrf3ThWAEqCPL45dCTUE=",
-      "dev": true,
       "requires": {
         "lru-cache": "^4.0.1",
         "which": "^1.2.9"
@@ -382,14 +381,12 @@
         "isexe": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
-          "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
-          "dev": true
+          "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
         },
         "lru-cache": {
           "version": "4.1.3",
           "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.3.tgz",
           "integrity": "sha512-fFEhvcgzuIoJVUF8fYr5KR0YqxD238zgObTps31YdADwPPAp82a4M8TrckkWyx7ekNlf9aBcVn81cFwwXngrJA==",
-          "dev": true,
           "requires": {
             "pseudomap": "^1.0.2",
             "yallist": "^2.1.2"
@@ -399,7 +396,6 @@
           "version": "1.3.1",
           "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
           "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
-          "dev": true,
           "requires": {
             "isexe": "^2.0.0"
           }
@@ -447,6 +443,7 @@
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
       "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+      "dev": true,
       "requires": {
         "ms": "0.7.1"
       }
@@ -717,13 +714,29 @@
       }
     },
     "gm": {
-      "version": "1.21.1",
-      "resolved": "https://registry.npmjs.org/gm/-/gm-1.21.1.tgz",
-      "integrity": "sha1-ftXtBds20wwZQ/OcO8HIObjyNh0=",
+      "version": "1.23.1",
+      "resolved": "https://registry.npmjs.org/gm/-/gm-1.23.1.tgz",
+      "integrity": "sha1-Lt7rlYCE0PjqeYjl2ZWxx9/BR3c=",
       "requires": {
         "array-parallel": "~0.1.3",
         "array-series": "~0.1.5",
-        "debug": "~2.2.0"
+        "cross-spawn": "^4.0.0",
+        "debug": "^3.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.6",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
       }
     },
     "graceful-fs": {
@@ -967,15 +980,14 @@
       "dev": true
     },
     "grunt-responsive-images": {
-      "version": "0.1.9",
-      "resolved": "https://registry.npmjs.org/grunt-responsive-images/-/grunt-responsive-images-0.1.9.tgz",
-      "integrity": "sha1-5ctbJO223ZACVx9Lw2e+jPjXUg8=",
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/grunt-responsive-images/-/grunt-responsive-images-1.10.0.tgz",
+      "integrity": "sha1-SPjiks8xN5TDOnRwpnh6xSAvl4g=",
       "requires": {
         "async": "~1.5.2",
-        "gm": "~1.21.1",
-        "grunt": "~0.4.5",
-        "lodash": "~4.5.1",
-        "node-imagemagick": "~0.1.8"
+        "gm": "~1.23.0",
+        "grunt": ">=0.4.5",
+        "lodash": ">=4.6.1"
       }
     },
     "gzip-size": {
@@ -1241,9 +1253,9 @@
       "dev": true
     },
     "lodash": {
-      "version": "4.5.1",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.5.1.tgz",
-      "integrity": "sha1-gOigdMpfOJOmscELKmNkktcQwxY="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "log-driver": {
       "version": "1.2.5",
@@ -1358,12 +1370,8 @@
     "ms": {
       "version": "0.7.1",
       "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-      "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
-    },
-    "node-imagemagick": {
-      "version": "0.1.8",
-      "resolved": "https://registry.npmjs.org/node-imagemagick/-/node-imagemagick-0.1.8.tgz",
-      "integrity": "sha1-tiU9JX2MoNA1z4IVkSo3jwmYr8c="
+      "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
+      "dev": true
     },
     "nodeunit": {
       "version": "0.9.5",
@@ -1419,6 +1427,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -2189,7 +2198,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.2.0",
@@ -2878,8 +2888,7 @@
     "pseudomap": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
-      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
-      "dev": true
+      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM="
     },
     "punycode": {
       "version": "1.4.1",
@@ -3480,8 +3489,7 @@
     "yallist": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-      "dev": true
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
     },
     "yargs": {
       "version": "3.10.0",
diff --git a/package.json b/package.json
index 28e2acd..9cbf846 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,6 @@
     "grunt-mkdir": "~0.1.2"
   },
   "dependencies": {
-    "grunt-responsive-images": "^0.1.6"
+    "grunt-responsive-images": "^1.10.0"
   }
 }