diff --git a/package-lock.json b/package-lock.json
index 5433a27..1c8150a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@bbc/stt-align-node",
-  "version": "1.4.2",
+  "version": "1.4.3",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@bbc/stt-align-node",
-      "version": "1.4.2",
+      "version": "1.4.3",
       "license": "MIT",
       "dependencies": {
         "babel-loader": "^8.0.6",
@@ -1588,9 +1588,10 @@
       "license": "BSD-3-Clause"
     },
     "node_modules/acorn": {
-      "version": "7.1.0",
+      "version": "7.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+      "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
       "dev": true,
-      "license": "MIT",
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -1608,9 +1609,10 @@
       }
     },
     "node_modules/acorn-globals/node_modules/acorn": {
-      "version": "6.4.0",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
       "dev": true,
-      "license": "MIT",
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -8848,8 +8850,9 @@
       }
     },
     "node_modules/webpack/node_modules/acorn": {
-      "version": "6.4.0",
-      "license": "MIT",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -10193,7 +10196,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "7.1.0",
+      "version": "7.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+      "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
       "dev": true
     },
     "acorn-globals": {
@@ -10205,7 +10210,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "6.4.0",
+          "version": "6.4.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+          "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
           "dev": true
         }
       }
@@ -15160,7 +15167,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "6.4.0"
+          "version": "6.4.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+          "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ=="
         }
       }
     },