diff --git a/.aegir.js b/.aegir.js
deleted file mode 100644
index 3faa51b2..00000000
--- a/.aegir.js
+++ /dev/null
@@ -1,3 +0,0 @@
-module.exports = {
-  bundlesize: { maxSize: '124kB' }
-}
diff --git a/.travis.yml b/.travis.yml
index 3f27e03b..ab22a063 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,19 @@
 language: node_js
-
 cache: npm
 
+branches:
+  only:
+  - master
+  - /^release\/.*$/
+
 stages:
   - check
   - test
   - cov
 
 node_js:
-  - '12'
-  - '14'
+  - 'lts/*'
+  - 'node'
 
 os:
   - linux
diff --git a/package.json b/package.json
index 30f8af4f..ca7427a0 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,11 @@
     "sinon": "^10.0.0",
     "util": "^0.12.3"
   },
+  "aegir": {
+    "build": {
+      "bundlesizeMax": "118kB"
+    }
+  },
   "engines": {
     "node": ">=12.0.0"
   },
diff --git a/src/keys/index.js b/src/keys/index.js
index 3a04a9ad..320a781f 100644
--- a/src/keys/index.js
+++ b/src/keys/index.js
@@ -20,7 +20,7 @@ const ErrMissingSecp256K1 = {
   code: 'ERR_MISSING_PACKAGE'
 }
 
-function typeToKey(type) {
+function typeToKey (type) {
   const key = supportedKeys[type.toLowerCase()]
   if (!key) {
     const supported = Object.keys(supportedKeys).join(' / ')
diff --git a/src/keys/keys.proto b/src/keys/keys.proto
index 87f333d8..98e1d997 100644
--- a/src/keys/keys.proto
+++ b/src/keys/keys.proto
@@ -1,3 +1,5 @@
+syntax = "proto3";
+
 enum KeyType {
   RSA = 0;
   Ed25519 = 1;