diff --git a/package-lock.json b/package-lock.json
index b4a02dc..0d4f317 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "metalsmith-inline-critical-css",
-  "version": "1.0.0-beta",
+  "version": "1.0.0-beta.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -921,9 +921,9 @@
       "dev": true
     },
     "ajv": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.11.0.tgz",
-      "integrity": "sha512-nCprB/0syFYy9fVYU1ox1l2KN8S9I+tziH8D4zdZuLT3N6RMlGSGt5FSTpAiHB/Whv8Qs1cWHma1aMKZyaHRKA==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dev": true,
       "requires": {
         "fast-deep-equal": "^3.1.1",
@@ -1808,7 +1808,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs="
         }
       }
@@ -2522,7 +2522,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.3.0",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.3.0.tgz",
           "integrity": "sha1-sXrtguirWeUt2cGbF1bg/BhyBMI="
         },
         "readable-stream": {