diff --git a/package.json b/package.json
index b6b3778..3182927 100644
--- a/package.json
+++ b/package.json
@@ -28,14 +28,15 @@
   },
   "dependencies": {
     "@metamask/safe-event-emitter": "^3.0.0",
-    "readable-stream": "^3.6.2"
+    "readable-stream": "^4.5.2"
   },
   "devDependencies": {
     "@lavamoat/allow-scripts": "^2.3.1",
     "@metamask/auto-changelog": "^3.4.2",
     "@metamask/eslint-config": "^7.0.1",
     "@metamask/eslint-config-typescript": "^7.0.1",
-    "@types/node": "^10.17.42",
+    "@types/node": "^14.18.63",
+    "@types/readable-stream": "^4.0.14",
     "@types/tape": "^4.13.4",
     "@typescript-eslint/eslint-plugin": "^4.28.1",
     "@typescript-eslint/parser": "^4.28.1",
diff --git a/src/asStream.ts b/src/asStream.ts
index d223a5a..6c82455 100644
--- a/src/asStream.ts
+++ b/src/asStream.ts
@@ -1,4 +1,5 @@
 import { Duplex as DuplexStream } from 'readable-stream';
+import type { DuplexOptions } from 'readable-stream';
 
 import { ObservableStore } from './ObservableStore';
 
@@ -7,10 +8,11 @@ class ObservableStoreStream<T> extends DuplexStream {
 
   obsStore: ObservableStore<T>;
 
-  constructor(obsStore: ObservableStore<T>) {
+  constructor(obsStore: ObservableStore<T>, streamOptions: DuplexOptions = {}) {
     super({
       // pass values, not serializations
       objectMode: true,
+      ...streamOptions,
     });
     // dont buffer outgoing updates
     this.resume();
@@ -55,6 +57,7 @@ class ObservableStoreStream<T> extends DuplexStream {
 
 export function storeAsStream<T>(
   obsStore: ObservableStore<T>,
+  streamOptions: DuplexOptions = {},
 ): ObservableStoreStream<T> {
-  return new ObservableStoreStream(obsStore);
+  return new ObservableStoreStream(obsStore, streamOptions);
 }
diff --git a/src/readable-stream.d.ts b/src/readable-stream.d.ts
index 180f0b6..e82b2e2 100644
--- a/src/readable-stream.d.ts
+++ b/src/readable-stream.d.ts
@@ -1,4 +1,5 @@
 // eslint-disable import/unambiguous
 declare module 'readable-stream' {
   export { Duplex, Transform, Writable, pipeline } from 'stream';
+  export type { DuplexOptions, TransformOptions } from 'stream';
 }
diff --git a/src/transform.ts b/src/transform.ts
index 3c34ec4..c689b5c 100644
--- a/src/transform.ts
+++ b/src/transform.ts
@@ -1,9 +1,17 @@
 import { Transform } from 'readable-stream';
+import type { TransformOptions } from 'readable-stream';
 
-export function storeTransformStream<T, U>(syncTransformFn: (state: T) => U) {
+export function storeTransformStream<T, U>(
+  syncTransformFn: (state: T) => U,
+  streamOptions: TransformOptions = {},
+) {
   const t = new Transform({
     objectMode: true,
-    transform: (state, _encoding, cb) => {
+    transform: (
+      state: T,
+      _encoding: unknown,
+      cb: (error?: Error | null, data?: U) => void,
+    ) => {
       try {
         const newState = syncTransformFn(state);
         cb(undefined, newState);
@@ -13,6 +21,7 @@ export function storeTransformStream<T, U>(syncTransformFn: (state: T) => U) {
         return undefined;
       }
     },
+    ...streamOptions,
   });
   return t;
 }
diff --git a/tsconfig.json b/tsconfig.json
index 643c3f2..3d60b2d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,7 @@
     "declaration": true,
     "esModuleInterop": true,
     "inlineSources": true,
-    "lib": ["ES2020"],
+    "lib": ["ES2020", "dom"],
     "module": "CommonJS",
     "moduleResolution": "node",
     "outDir": "dist",
diff --git a/yarn.lock b/yarn.lock
index d194149..9b73433 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -179,14 +179,24 @@
   integrity sha512-1z8k4wzFnNjVK/tlxvrWuK5WMt6mydWWP7+zvH5eFep4oj+UkrfiJTRtjCeBXNpwaA/FYqqtb4/QS4ianFpIRA==
 
 "@types/node@*":
-  version "14.14.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.2.tgz#d25295f9e4ca5989a2c610754dc02a9721235eeb"
-  integrity sha512-jeYJU2kl7hL9U5xuI/BhKPZ4vqGM/OmK6whiFAXVhlstzZhVamWhDSmHyGLIp+RVyuF9/d0dqr2P85aFj4BvJg==
+  version "20.12.12"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.12.12.tgz#7cbecdf902085cec634fdb362172dfe12b8f2050"
+  integrity sha512-eWLDGF/FOSPtAvEqeRAQ4C8LSA7M1I7i0ky1I8U7kD1J5ITyW3AsRhQrKVoWf5pFKZ2kILsEGJhsI9r93PYnOw==
+  dependencies:
+    undici-types "~5.26.4"
+
+"@types/node@^14.18.63":
+  version "14.18.63"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.18.63.tgz#1788fa8da838dbb5f9ea994b834278205db6ca2b"
+  integrity sha512-fAtCfv4jJg+ExtXhvCkCqUKZ+4ok/JQk01qDKhL5BDDoS3AxKXhV5/MAVUZyQnSEd2GT92fkgZl0pz0Q0AzcIQ==
 
-"@types/node@^10.17.42":
-  version "10.17.42"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.42.tgz#90dd71b26fe4f4e2929df6b07e72ef2e9648a173"
-  integrity sha512-HElxYF7C/MSkuvlaHB2c+82zhXiuO49Cq056Dol8AQuTph7oJtduo2n6J8rFa+YhJyNgQ/Lm20ZaxqD0vxU0+Q==
+"@types/readable-stream@^4.0.14":
+  version "4.0.14"
+  resolved "https://registry.yarnpkg.com/@types/readable-stream/-/readable-stream-4.0.14.tgz#5a76a00e1e3dd6ff921ea2b3fac7485c5a492c19"
+  integrity sha512-xZn/AuUbCMShGsqH/ehZtGDwQtbx00M9rZ2ENLe4tOjFZ/JFeWMhEZkk2fEe1jAUqqEAURIkFJ7Az/go8mM1/w==
+  dependencies:
+    "@types/node" "*"
+    safe-buffer "~5.1.1"
 
 "@types/tape@^4.13.4":
   version "4.13.4"
@@ -277,6 +287,13 @@ abbrev@^1.0.0:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
   integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
 
+abort-controller@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/abort-controller/-/abort-controller-3.0.0.tgz#eaf54d53b62bae4138e809ca225c8439a6efb392"
+  integrity sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==
+  dependencies:
+    event-target-shim "^5.0.0"
+
 acorn-jsx@^5.3.1:
   version "5.3.1"
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.3.1.tgz#fc8661e11b7ac1539c47dbfea2e72b3af34d267b"
@@ -420,6 +437,11 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
   integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
 
+base64-js@^1.3.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
+  integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
+
 bin-links@4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/bin-links/-/bin-links-4.0.1.tgz#afeb0549e642f61ff889b58ea2f8dca78fb9d8d3"
@@ -452,6 +474,14 @@ braces@^3.0.1:
   dependencies:
     fill-range "^7.0.1"
 
+buffer@^6.0.3:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-6.0.3.tgz#2ace578459cc8fbe2a70aaa8f52ee63b6a74c6c6"
+  integrity sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.2.1"
+
 cacache@^17.0.0:
   version "17.1.3"
   resolved "https://registry.yarnpkg.com/cacache/-/cacache-17.1.3.tgz#c6ac23bec56516a7c0c52020fd48b4909d7c7044"
@@ -922,6 +952,16 @@ esutils@^2.0.2:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
   integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
+event-target-shim@^5.0.0:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/event-target-shim/-/event-target-shim-5.0.1.tgz#5d4d3ebdf9583d63a5333ce2deb7480ab2b05789"
+  integrity sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ==
+
+events@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/events/-/events-3.3.0.tgz#31a95ad0a924e2d2c419a813aeb2c4e878ea7400"
+  integrity sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==
+
 execa@^5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/execa/-/execa-5.1.1.tgz#f80ad9cbf4298f7bd1d4c9555c21e93741c411dd"
@@ -1242,6 +1282,11 @@ iconv-lite@^0.6.2:
   dependencies:
     safer-buffer ">= 2.1.2 < 3.0.0"
 
+ieee754@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
+  integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
+
 ignore@^4.0.6:
   version "4.0.6"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"
@@ -1913,6 +1958,11 @@ prettier@^2.3.2, prettier@^2.8.8:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
   integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
 
+process@^0.11.10:
+  version "0.11.10"
+  resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
+  integrity sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A==
+
 progress@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.3.tgz#7e8cf8d8f5b8f239c1bc68beb4eb78567d572ef8"
@@ -1961,7 +2011,7 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
-readable-stream@^3.6.0, readable-stream@^3.6.2:
+readable-stream@^3.6.0:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.2.tgz#56a9b36ea965c00c5a93ef31eb111a0f11056967"
   integrity sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==
@@ -1970,6 +2020,17 @@ readable-stream@^3.6.0, readable-stream@^3.6.2:
     string_decoder "^1.1.1"
     util-deprecate "^1.0.1"
 
+readable-stream@^4.5.2:
+  version "4.5.2"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-4.5.2.tgz#9e7fc4c45099baeed934bff6eb97ba6cf2729e09"
+  integrity sha512-yjavECdqeZ3GLXNgRXgeQEdz9fvDDkNKyHnbHRFtOr7/LcfgBcmct7t/ET+HaCTqfh06OzoAxrkN/IfjJBVe+g==
+  dependencies:
+    abort-controller "^3.0.0"
+    buffer "^6.0.3"
+    events "^3.3.0"
+    process "^0.11.10"
+    string_decoder "^1.3.0"
+
 regexpp@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.1.0.tgz#206d0ad0a5648cffbdb8ae46438f3dc51c9f78e2"
@@ -2032,6 +2093,11 @@ run-parallel@^1.1.9:
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.1.10.tgz#60a51b2ae836636c81377df16cb107351bcd13ef"
   integrity sha512-zb/1OuZ6flOlH6tQyMPUrE3x3Ulxjlo9WIVXR4yVYi4H9UXQaeIsPbLn2R3O3vQCnDKkAl2qHiuocKKX4Tz/Sw==
 
+safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
 safe-buffer@~5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
@@ -2172,7 +2238,16 @@ ssri@^10.0.0:
   dependencies:
     minipass "^5.0.0"
 
-"string-width-cjs@npm:string-width@^4.2.0", "string-width@^1.0.2 || 2 || 3 || 4", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
+"string-width-cjs@npm:string-width@^4.2.0":
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.1"
+
+"string-width@^1.0.2 || 2 || 3 || 4", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -2215,14 +2290,21 @@ string.prototype.trimstart@^1.0.4:
     call-bind "^1.0.2"
     define-properties "^1.1.3"
 
-string_decoder@^1.1.1:
+string_decoder@^1.1.1, string_decoder@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
   integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
   dependencies:
     safe-buffer "~5.2.0"
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
@@ -2374,6 +2456,11 @@ unbox-primitive@^1.0.1:
     has-symbols "^1.0.2"
     which-boxed-primitive "^1.0.2"
 
+undici-types@~5.26.4:
+  version "5.26.5"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-5.26.5.tgz#bcd539893d00b56e964fd2657a4866b221a65617"
+  integrity sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==
+
 unique-filename@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/unique-filename/-/unique-filename-3.0.0.tgz#48ba7a5a16849f5080d26c760c86cf5cf05770ea"
@@ -2450,7 +2537,16 @@ word-wrap@^1.2.3:
   resolved "https://registry.yarnpkg.com/word-wrap/-/word-wrap-1.2.4.tgz#cb4b50ec9aca570abd1f52f33cd45b6c61739a9f"
   integrity sha512-2V81OA4ugVo5pRo46hAoD2ivUJx8jXmWXfUkY4KFNw0hEptvN0QfH3K4nHiwzGeKl5rFKedV48QVoqYavy4YpA==
 
-"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0", wrap-ansi@^7.0.0:
+"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
+  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
+wrap-ansi@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
   integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==