diff --git a/package-lock.json b/package-lock.json
index 2e515570..ca51cfac 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@sanity/css-loader",
-  "version": "0.28.11",
+  "version": "0.28.12",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -42,7 +42,7 @@
       "dependencies": {
         "acorn": {
           "version": "3.3.0",
-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
           "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
           "dev": true
         }
@@ -409,7 +409,7 @@
     },
     "callsites": {
       "version": "0.2.0",
-      "resolved": "http://registry.npmjs.org/callsites/-/callsites-0.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/callsites/-/callsites-0.2.0.tgz",
       "integrity": "sha1-r6uWJikQp/M8GaV3WCXGnzTjUMo=",
       "dev": true
     },
@@ -454,7 +454,7 @@
     },
     "chalk": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "requires": {
         "ansi-styles": "^2.2.1",
@@ -872,7 +872,7 @@
         },
         "camelcase-keys": {
           "version": "2.1.0",
-          "resolved": "http://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
           "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
           "dev": true,
           "requires": {
@@ -897,7 +897,7 @@
         },
         "meow": {
           "version": "3.7.0",
-          "resolved": "http://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
+          "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
           "integrity": "sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=",
           "dev": true,
           "requires": {
@@ -1755,7 +1755,7 @@
         },
         "source-map": {
           "version": "0.2.0",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
           "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
           "dev": true,
           "optional": true,
@@ -2267,7 +2267,7 @@
         },
         "camelcase-keys": {
           "version": "2.1.0",
-          "resolved": "http://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
           "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
           "dev": true,
           "requires": {
@@ -2292,7 +2292,7 @@
         },
         "meow": {
           "version": "3.7.0",
-          "resolved": "http://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
+          "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
           "integrity": "sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=",
           "dev": true,
           "requires": {
@@ -2349,7 +2349,7 @@
     },
     "get-stream": {
       "version": "3.0.0",
-      "resolved": "http://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
       "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ=",
       "dev": true
     },
@@ -2393,7 +2393,7 @@
       "dependencies": {
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         }
@@ -2464,7 +2464,7 @@
     },
     "graceful-fs": {
       "version": "1.2.3",
-      "resolved": "http://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
       "integrity": "sha1-FaSAaldUfLLS2/J/QuiajDRRs2Q=",
       "dev": true,
       "optional": true
@@ -3129,7 +3129,7 @@
         },
         "resolve": {
           "version": "1.1.7",
-          "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
           "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
           "dev": true
         },
@@ -3316,9 +3316,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+      "version": "4.17.20",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
       "dev": true
     },
     "lodash._reinterpolate": {
@@ -6562,7 +6562,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -6595,7 +6595,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -6854,7 +6854,7 @@
     },
     "rimraf": {
       "version": "2.1.4",
-      "resolved": "http://registry.npmjs.org/rimraf/-/rimraf-2.1.4.tgz",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.1.4.tgz",
       "integrity": "sha1-Wm62Lu2gaPUe3lDymz5c0i89m7I=",
       "dev": true,
       "requires": {
@@ -7304,7 +7304,7 @@
     },
     "string-width": {
       "version": "1.0.2",
-      "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
       "dev": true,
       "requires": {
@@ -7324,7 +7324,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
         "ansi-regex": "^2.0.0"
@@ -7442,7 +7442,7 @@
     },
     "supports-color": {
       "version": "2.0.0",
-      "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
     },
     "svgo": {
@@ -8021,7 +8021,7 @@
         },
         "load-json-file": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
           "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
           "dev": true,
           "requires": {
@@ -8051,7 +8051,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },