diff --git a/.travis.yml b/.travis.yml
index cb0f8b9..67f9c81 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,7 @@
 language: node_js
 node_js:
-  - '0.12'
-  - 6
-  - 7
+  - 12
+  - 14
 notifications:
   webhooks:
     urls:
diff --git a/package-lock.json b/package-lock.json
index 346a2aa..4ceedc6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3589,7 +3589,6 @@
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -3785,8 +3784,7 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3876,8 +3874,7 @@
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         }
       }
     },
@@ -6873,8 +6870,7 @@
     "p-try": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
-      "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==",
-      "optional": true
+      "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ=="
     },
     "pako": {
       "version": "0.2.9",
diff --git a/package.json b/package.json
index 6a4b85c..6e1b795 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mongodb-schema",
   "description": "Infer the probabilistic schema for a MongoDB collection.",
-  "version": "8.2.5",
+  "version": "9.0.0-beta.0",
   "author": "Thomas Rueckstiess <thomas@rueckstiess.net>",
   "license": "Apache-2.0",
   "homepage": "http://github.com/mongodb-js/mongodb-schema",