diff --git a/CHANGELOG.md b/CHANGELOG.md
index bcefac2f..7519d19d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [8.3.2](https://github.com/uuidjs/uuid/compare/v8.3.1...v8.3.2) (2020-12-08)
+
+### Bug Fixes
+
+- lazy load getRandomValues ([#537](https://github.com/uuidjs/uuid/issues/537)) ([16c8f6d](https://github.com/uuidjs/uuid/commit/16c8f6df2f6b09b4d6235602d6a591188320a82e)), closes [#536](https://github.com/uuidjs/uuid/issues/536)
+
 ### [8.3.1](https://github.com/uuidjs/uuid/compare/v8.3.0...v8.3.1) (2020-10-04)
 
 ### Bug Fixes
diff --git a/README.md b/README.md
index 6cea0393..ed27e576 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ For the creation of [RFC4122](http://www.ietf.org/rfc/rfc4122.txt) UUIDs
   - Node 8, 10, 12, 14
   - Chrome, Safari, Firefox, Edge, IE 11 browsers
   - Webpack and rollup.js module bundlers
-  - [React Native / Expo](#react-native-expo)
+  - [React Native / Expo](#react-native--expo)
 - **Secure** - Cryptographically-strong random values
 - **Small** - Zero-dependency, small footprint, plays nice with "tree shaking" packagers
 - **CLI** - Includes the [`uuid` command line](#command-line) utility
@@ -246,7 +246,7 @@ uuidv4(v4options); // ⇨ '109156be-c4fb-41ea-b1b4-efe1671c5836'
 
 ### uuid.v5(name, namespace[, buffer[, offset]])
 
-Createa an RFC version 5 (namespace w/ SHA-1) UUID
+Create an RFC version 5 (namespace w/ SHA-1) UUID
 
 |  |  |
 | --- | --- |
@@ -296,6 +296,23 @@ uuidValidate('not a UUID'); // ⇨ false
 uuidValidate('6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b'); // ⇨ true
 ```
 
+Using `validate` and `version` together it is possible to do per-version validation, e.g. validate for only v4 UUIds.
+
+```javascript
+import { version as uuidVersion } from 'uuid';
+import { validate as uuidValidate } from 'uuid';
+
+function uuidValidateV4(uuid) {
+  return uuidValidate(uuid) && uuidVersion(uuid) === 4;
+}
+
+const v1Uuid = 'd9428888-122b-11e1-b85c-61cd3cbb3210';
+const v4Uuid = '109156be-c4fb-41ea-b1b4-efe1671c5836';
+
+uuidValidateV4(v4Uuid); // ⇨ true
+uuidValidateV4(v1Uuid); // ⇨ false
+```
+
 ### uuid.version(str)
 
 Detect RFC version of a UUID
diff --git a/README_js.md b/README_js.md
index 6dbd05b9..0e858a47 100644
--- a/README_js.md
+++ b/README_js.md
@@ -24,7 +24,7 @@ For the creation of [RFC4122](http://www.ietf.org/rfc/rfc4122.txt) UUIDs
   - Node 8, 10, 12, 14
   - Chrome, Safari, Firefox, Edge, IE 11 browsers
   - Webpack and rollup.js module bundlers
-  - [React Native / Expo](#react-native-expo)
+  - [React Native / Expo](#react-native--expo)
 - **Secure** - Cryptographically-strong random values
 - **Small** - Zero-dependency, small footprint, plays nice with "tree shaking" packagers
 - **CLI** - Includes the [`uuid` command line](#command-line) utility
@@ -252,7 +252,7 @@ uuidv4(v4options); // RESULT
 
 ### uuid.v5(name, namespace[, buffer[, offset]])
 
-Createa an RFC version 5 (namespace w/ SHA-1) UUID
+Create an RFC version 5 (namespace w/ SHA-1) UUID
 
 |  |  |
 | --- | --- |
@@ -302,6 +302,23 @@ uuidValidate('not a UUID'); // RESULT
 uuidValidate('6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b'); // RESULT
 ```
 
+Using `validate` and `version` together it is possible to do per-version validation, e.g. validate for only v4 UUIds.
+
+```javascript --run
+import { version as uuidVersion } from 'uuid';
+import { validate as uuidValidate } from 'uuid';
+
+function uuidValidateV4(uuid) {
+  return uuidValidate(uuid) && uuidVersion(uuid) === 4;
+}
+
+const v1Uuid = 'd9428888-122b-11e1-b85c-61cd3cbb3210';
+const v4Uuid = '109156be-c4fb-41ea-b1b4-efe1671c5836';
+
+uuidValidateV4(v4Uuid); // RESULT
+uuidValidateV4(v1Uuid); // RESULT
+```
+
 ### uuid.version(str)
 
 Detect RFC version of a UUID
diff --git a/package-lock.json b/package-lock.json
index 8cae0822..787509be 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "uuid",
-  "version": "8.3.1",
+  "version": "8.3.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 5c5ab2a4..f0ab3711 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "uuid",
-  "version": "8.3.1",
+  "version": "8.3.2",
   "description": "RFC4122 (v1, v4, and v5) UUIDs",
   "commitlint": {
     "extends": [
diff --git a/src/rng-browser.js b/src/rng-browser.js
index 1af1e4c9..38ed20ba 100644
--- a/src/rng-browser.js
+++ b/src/rng-browser.js
@@ -2,23 +2,27 @@
 // require the crypto API and do not support built-in fallback to lower quality random number
 // generators (like Math.random()).
 
-// getRandomValues needs to be invoked in a context where "this" is a Crypto implementation. Also,
-// find the complete implementation of crypto (msCrypto) on IE11.
-const getRandomValues =
-  (typeof crypto !== 'undefined' &&
-    crypto.getRandomValues &&
-    crypto.getRandomValues.bind(crypto)) ||
-  (typeof msCrypto !== 'undefined' &&
-    typeof msCrypto.getRandomValues === 'function' &&
-    msCrypto.getRandomValues.bind(msCrypto));
+let getRandomValues;
 
 const rnds8 = new Uint8Array(16);
 
 export default function rng() {
+  // lazy load so that environments that need to polyfill have a chance to do so
   if (!getRandomValues) {
-    throw new Error(
-      'crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported'
-    );
+    // getRandomValues needs to be invoked in a context where "this" is a Crypto implementation. Also,
+    // find the complete implementation of crypto (msCrypto) on IE11.
+    getRandomValues =
+      (typeof crypto !== 'undefined' &&
+        crypto.getRandomValues &&
+        crypto.getRandomValues.bind(crypto)) ||
+      (typeof msCrypto !== 'undefined' &&
+        typeof msCrypto.getRandomValues === 'function' &&
+        msCrypto.getRandomValues.bind(msCrypto));
+    if (!getRandomValues) {
+      throw new Error(
+        'crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported'
+      );
+    }
   }
 
   return getRandomValues(rnds8);