diff --git a/index.js b/index.js
index daee85d..08714c2 100644
--- a/index.js
+++ b/index.js
@@ -1,7 +1,6 @@
 'use strict'
 
 const crypto = require('crypto')
-const figgyPudding = require('figgy-pudding')
 const MiniPass = require('minipass')
 
 const SPEC_ALGORITHMS = ['sha256', 'sha384', 'sha512']
@@ -11,17 +10,18 @@ const SRI_REGEX = /^([^-]+)-([^?]+)([?\S*]*)$/
 const STRICT_SRI_REGEX = /^([^-]+)-([A-Za-z0-9+/=]{44,88})(\?[\x21-\x7E]*)*$/
 const VCHAR_REGEX = /^[\x21-\x7E]+$/
 
-const SsriOpts = figgyPudding({
-  algorithms: { default: ['sha512'] },
-  error: { default: false },
-  integrity: {},
-  options: { default: [] },
-  pickAlgorithm: { default: () => getPrioritizedHash },
-  sep: { default: ' ' },
-  single: { default: false },
-  size: {},
-  strict: { default: false }
-})
+const SsriOpts = (opts = {}) => {
+  const defaults = {
+    algorithms: ['sha512'],
+    error: false,
+    options: [],
+    pickAlgorithm: getPrioritizedHash,
+    sep: ' ',
+    single: false,
+    strict: false
+  }
+  return Object.assign(opts, { ...defaults, ...opts })
+}
 
 const getOptString = options => !options || !options.length ? ''
   : `?${options.join('?')}`
@@ -380,9 +380,10 @@ function checkData (data, sri, opts) {
 module.exports.checkStream = checkStream
 function checkStream (stream, sri, opts) {
   opts = SsriOpts(opts)
-  const checker = integrityStream(opts.concat({
+  const checker = integrityStream({
+    ...opts,
     integrity: sri
-  }))
+  })
   return new Promise((resolve, reject) => {
     stream.pipe(checker)
     stream.on('error', reject)
diff --git a/package-lock.json b/package-lock.json
index fc0b792..f0bae8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1757,11 +1757,6 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
-    "figgy-pudding": {
-      "version": "3.5.1",
-      "resolved": "https://registry.npmjs.org/figgy-pudding/-/figgy-pudding-3.5.1.tgz",
-      "integrity": "sha512-vNKxJHTEKNThjfrdJwHc7brvM6eVevuO5nTj6ez8ZQ1qbXTvGthucRF7S4vf2cr71QVnT70V34v0S1DyQsti0w=="
-    },
     "figures": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/figures/-/figures-3.0.0.tgz",
diff --git a/package.json b/package.json
index df1e7df..4e2c307 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,6 @@
   },
   "license": "ISC",
   "dependencies": {
-    "figgy-pudding": "^3.5.1",
     "minipass": "^3.1.1"
   },
   "devDependencies": {