diff --git a/README.md b/README.md
index cebb3bd..737527d 100644
--- a/README.md
+++ b/README.md
@@ -115,9 +115,9 @@ Outputs:
 ### Tests
 
 - `test(name, body)`
-- `testWith(~setup: unit => 'a, ~teardown: 'a => unit=?, name, body: 'a => unit)`
+- `createTestWith(~setup: unit => 'a, ~teardown: 'a => unit=?` -> `test`
 - `testAsync(name, body)`
-- `testAsyncWith(~setup: unit => 'a, ~teardown: 'a => unit=?, name, body: ('a, cb) => unit)`
+- `createTestAsyncWith(~setup: unit => 'a, ~teardown: 'a => unit=?, name, body: ('a, cb) => unit)` -> `testAsync`
 
 ### Operators
 
@@ -160,7 +160,7 @@ assertion(~message?, ~operator="deepEqual", (a, b) => a == b, a, b)
 The `setup` function returns a clean context for the test, the `teardown` function resets it.
 
 ```rescript
-let testWithRef = testWith(~setup=() => ref(0), ~teardown=someRef => someRef := 0)
+let testWithRef = createTestWith(~setup=() => ref(0), ~teardown=someRef => someRef := 0)
 
 testWithRef("Setup & teardown", someRef => {
   incr(someRef)
@@ -185,8 +185,8 @@ let cleanupContainer = container => {
   remove(container)
 }
 
-let testWithReact = testWith(~setup=createContainer, ~teardown=cleanupContainer)
-let testAsyncWithReact = testAsyncWith(~setup=createContainer, ~teardown=cleanupContainer)
+let testWithReact = createTestWith(~setup=createContainer, ~teardown=cleanupContainer)
+let testAsyncWithReact = createTestAsyncWith(~setup=createContainer, ~teardown=cleanupContainer)
 ```
 
 And then use it:
diff --git a/bin/retest.mjs b/bin/retest.mjs
index 83da48c..0c85976 100755
--- a/bin/retest.mjs
+++ b/bin/retest.mjs
@@ -67,18 +67,7 @@ let globsOrNames = args.filter((item) => !options[item]);
 
 if (globsOrNames.some((item) => item.includes("*"))) {
   globsOrNames = await Promise.all(
-    globsOrNames.map(
-      (globOrName) =>
-        new Promise((resolve, reject) => {
-          glob(globOrName, (err, files) => {
-            if (err) {
-              reject(err);
-            } else {
-              resolve(files);
-            }
-          });
-        })
-    )
+    globsOrNames.map((globOrName) => glob(globOrName))
   ).then((arrays) => [...new Set([].concat(...arrays))]);
 }
 
diff --git a/docs/docs/api.md b/docs/docs/api.md
index 153bc15..8d8fd22 100644
--- a/docs/docs/api.md
+++ b/docs/docs/api.md
@@ -20,7 +20,7 @@ The `test` function identifies a test suite. You give it a name to easily find i
 ```js title="Add_test.res"
 test("Add", () => {
   // Your assertions
-})
+});
 ```
 
 :::note
@@ -29,13 +29,13 @@ Nesting `test` suites is not allowed.
 
 ### testAsync
 
-`testAsync` works the same way, but gives the function an extra parameter, a `done` function to call when your test is done. 
+`testAsync` works the same way, but gives the function an extra parameter, a `done` function to call when your test is done.
 
 ```js title="AsyncWorkflow_test.res"
 testAsync("Async workflow", (done) => {
   // Your async assertions
-  done()
-})
+  done();
+});
 ```
 
 #### Timeout
@@ -70,7 +70,7 @@ The API we provide is pretty similar to `test` & `testAsync`, they're nearly the
 - A `teardown` function that takes the `value` and lets you act on it
 - `value` that's passed to your test function body
 
-### testWith
+### createTestWith
 
 ```js title="SetupAndTeardown_test.res"
 let setup = () => {
@@ -83,7 +83,9 @@ let teardown = element => {
   element["remove"](. )
 }
 
-testWith(~setup, ~teardown, "Setup & teardown", (element) => {
+const testWithElement = createTestWith(~setup, ~teardown)
+
+testWithElement("Setup & teardown", (element) => {
   // Your assertions that use `element`
 })
 ```
@@ -109,10 +111,10 @@ And reuse it across your tests!
 ```js title="SomeDOMTests_test.res"
 testWithElement("Some DOM logic", (element) => {
   // Your assertions that use `element`
-})
+});
 ```
 
-### testAsyncWith
+### createTestAsyncWith
 
 Pretty much the same story there, expect we have the extra `done` argument
 
@@ -127,7 +129,7 @@ let teardown = element => {
   element["remove"](. )
 }
 
-let testWithElement = testAsyncWith(~setup, ~teardown)
+let testWithElement = createTestAsyncWith(~setup, ~teardown)
 ```
 
 And there we go:
@@ -135,6 +137,6 @@ And there we go:
 ```js title="SomeDOMTests_test.res"
 testAsyncWithElement("Some DOM logic", (element, done) => {
   // Your async assertions that use `element`
-  done()
-})
+  done();
+});
 ```
diff --git a/package.json b/package.json
index 573031b..3d57197 100644
--- a/package.json
+++ b/package.json
@@ -21,14 +21,14 @@
   "author": "bloodyowl <bloodyowl@icloud.com>",
   "license": "MIT",
   "devDependencies": {
-    "rescript": "^10.0.0",
-    "rescript-js": "1.0.0-beta.2"
+    "rescript": "^11.0.0"
   },
   "peerDependencies": {
-    "rescript": "^9.0.0 || ^10.0.0"
+    "rescript": "^11.0.0"
   },
   "dependencies": {
-    "glob": "^10.3.0",
+    "@rescript/core": "^1.3.0",
+    "glob": "^10.3.12",
     "jsdom": "^23.1.0"
   }
 }
diff --git a/bsconfig.json b/rescript.json
similarity index 82%
rename from bsconfig.json
rename to rescript.json
index b8d78d4..c082d90 100644
--- a/bsconfig.json
+++ b/rescript.json
@@ -12,9 +12,9 @@
       "type": "dev"
     }
   ],
-  "bs-dev-dependencies": ["rescript-js"],
+  "bs-dev-dependencies": ["@rescript/core"],
   "package-specs": {
-    "module": "es6",
+    "module": "esmodule",
     "in-source": true
   },
   "suffix": ".mjs",
diff --git a/src/Test.res b/src/Test.res
index ea25112..aefcb9d 100644
--- a/src/Test.res
+++ b/src/Test.res
@@ -196,6 +196,9 @@ let testAsyncWith = (~setup, ~teardown=?, name, ~timeout=?, func) => {
   })
 }
 
+let createTestAsyncWith = (~setup, ~teardown=?) => (name, ~timeout=?, func) =>
+  testAsyncWith(~setup, ~teardown?, name, ~timeout?, func)
+
 let test = (name, func) => {
   if running.contents {
     Js.Console.error(
@@ -236,6 +239,9 @@ let testWith = (~setup, ~teardown=?, name, func) => {
   })
 }
 
+let createTestWith = (~setup, ~teardown=?) => (name, func) =>
+  testWith(~setup, ~teardown?, name, func)
+
 let autoBoot = ref(true)
 
 let runTests = () => {
diff --git a/src/Test.resi b/src/Test.resi
index a104d00..330a2c8 100644
--- a/src/Test.resi
+++ b/src/Test.resi
@@ -17,8 +17,15 @@ let testAsyncWith: (
   ('a, (~planned: int=?, unit) => unit) => unit,
 ) => unit
 
+let createTestAsyncWith: (
+  ~setup: unit => 'a,
+  ~teardown: 'a => unit=?,
+) => (string, ~timeout: int=?, ('a, (~planned: int=?, unit) => unit) => unit) => unit
+
 let testWith: (~setup: unit => 'a, ~teardown: 'a => unit=?, string, 'a => unit) => unit
 
+let createTestWith: (~setup: unit => 'a, ~teardown: 'a => unit=?) => (string, 'a => unit) => unit
+
 let autoBoot: ref<bool>
 
 let runTests: unit => unit
diff --git a/test/BasicExample.res b/test/BasicExample.res
index 833dc8b..d86fdce 100644
--- a/test/BasicExample.res
+++ b/test/BasicExample.res
@@ -1,4 +1,4 @@
-open ReScriptJs.Js
+open RescriptCore
 open Test
 
 let intEqual = (~message=?, a: int, b: int) =>
diff --git a/test/TestAllFail.res b/test/TestAllFail.res
index e74c92c..ad36eb2 100644
--- a/test/TestAllFail.res
+++ b/test/TestAllFail.res
@@ -1,4 +1,4 @@
-open ReScriptJs.Js
+open RescriptCore
 open Test
 
 let equal = (~message=?, a, b) => assertion(~message?, ~operator="equal", (a, b) => a === b, a, b)
diff --git a/test/TestAllPass.res b/test/TestAllPass.res
index 03677b8..bff39e7 100644
--- a/test/TestAllPass.res
+++ b/test/TestAllPass.res
@@ -1,4 +1,4 @@
-open ReScriptJs.Js
+open RescriptCore
 open Test
 
 let equal = (~message=?, a, b) => assertion(~message?, ~operator="equal", (a, b) => a === b, a, b)
@@ -38,7 +38,7 @@ test("DeepEquals", () => {
   deepEqual(a, b)
 })
 
-let testWithSetup = testWith(~setup=() => ref(0))
+let testWithSetup = createTestWith(~setup=() => ref(0))
 
 testWithSetup("Setup", someRef => {
   incr(someRef)
@@ -52,7 +52,10 @@ testWithSetup("Setup", someRef => {
   equal(someRef.contents, 2)
 })
 
-let testWithSetupAndTeardown = testWith(~setup=() => ref(0), ~teardown=someRef => someRef := 0)
+let testWithSetupAndTeardown = createTestWith(
+  ~setup=() => ref(0),
+  ~teardown=someRef => someRef := 0,
+)
 
 testWithSetupAndTeardown("Setup & teardown", someRef => {
   incr(someRef)
@@ -66,7 +69,7 @@ testWithSetupAndTeardown("Setup & teardown 2", someRef => {
   equal(someRef.contents, 2)
 })
 
-let testAsyncWithSetupAndTeardown = testAsyncWith(
+let testAsyncWithSetupAndTeardown = createTestAsyncWith(
   ~setup=() => ref(0),
   ~teardown=someRef => someRef := 0,
 )
diff --git a/test/TestVarious.res b/test/TestVarious.res
index 83b05c0..b5770f1 100644
--- a/test/TestVarious.res
+++ b/test/TestVarious.res
@@ -1,4 +1,4 @@
-open ReScriptJs.Js
+open RescriptCore
 open Belt
 open Test
 
@@ -58,7 +58,7 @@ test("DeepEquals", () => {
   let b = {username: "user", id: "a"}
   equal(a.username, b.username)
   equal(a.username, b.id)
-  equal(Undefined.make(1), Undefined.empty)
+  equal(Nullable.make(1), Nullable.undefined)
   deepEqual(a, b)
   todo("Check that user is ok")
 })
diff --git a/yarn.lock b/yarn.lock
index bc75540..21f6154 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19,10 +19,10 @@
   resolved "https://registry.yarnpkg.com/@pkgjs/parseargs/-/parseargs-0.11.0.tgz#a77ea742fab25775145434eb1d2328cf5013ac33"
   integrity sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==
 
-"@ryyppy/rescript-promise@^2.1.0":
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/@ryyppy/rescript-promise/-/rescript-promise-2.1.0.tgz#a33861274c41360cfbe872cf489f3dcb8dd526e6"
-  integrity sha512-+dW6msBrj2Lr2hbEMX+HoWCvN89qVjl94RwbYWJgHQuj8jm/izdPC0YzxgpGoEFdeAEW2sOozoLcYHxT6o5WXQ==
+"@rescript/core@^1.3.0":
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/@rescript/core/-/core-1.3.0.tgz#e7ebc6814772ccabac23c980d5bb0851ad8338d1"
+  integrity sha512-wNZOZ63sYcaIYZCmTZeIPCeLa3HCGgPbIOR8zjyNkoBYUlxNV8Nb2ZyqlXR5Mb9ttvv8fTV56JbKhyVEZEYo8g==
 
 agent-base@^7.0.2, agent-base@^7.1.0:
   version "7.1.0"
@@ -167,16 +167,16 @@ form-data@^4.0.0:
     combined-stream "^1.0.8"
     mime-types "^2.1.12"
 
-glob@^10.3.0:
-  version "10.3.10"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-10.3.10.tgz#0351ebb809fd187fe421ab96af83d3a70715df4b"
-  integrity sha512-fa46+tv1Ak0UPK1TOy/pZrIybNNt4HCv7SDzwyfiOZkvZLEbjsZkJBPtDHVshZjbecAoAGSC20MjLDG/qr679g==
+glob@^10.3.12:
+  version "10.3.12"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-10.3.12.tgz#3a65c363c2e9998d220338e88a5f6ac97302960b"
+  integrity sha512-TCNv8vJ+xz4QiqTpfOJA7HvYv+tNIRHKfUWw/q+v2jdgN4ebz+KY9tGx5J4rHP0o84mNP+ApH66HRX8us3Khqg==
   dependencies:
     foreground-child "^3.1.0"
-    jackspeak "^2.3.5"
+    jackspeak "^2.3.6"
     minimatch "^9.0.1"
-    minipass "^5.0.0 || ^6.0.2 || ^7.0.0"
-    path-scurry "^1.10.1"
+    minipass "^7.0.4"
+    path-scurry "^1.10.2"
 
 html-encoding-sniffer@^4.0.0:
   version "4.0.0"
@@ -223,7 +223,7 @@ isexe@^2.0.0:
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
   integrity sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==
 
-jackspeak@^2.3.5:
+jackspeak@^2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/jackspeak/-/jackspeak-2.3.6.tgz#647ecc472238aee4b06ac0e461acc21a8c505ca8"
   integrity sha512-N3yCS/NegsOBokc8GAdM8UcmfsKiSS8cipheD/nivzr700H+nsMOxJjQnvwOcRYVuFkdH0wGUvW2WbXGmrZGbQ==
@@ -259,10 +259,10 @@ jsdom@^23.1.0:
     ws "^8.16.0"
     xml-name-validator "^5.0.0"
 
-"lru-cache@^9.1.1 || ^10.0.0":
-  version "10.1.0"
-  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-10.1.0.tgz#2098d41c2dc56500e6c88584aa656c84de7d0484"
-  integrity sha512-/1clY/ui8CzjKFyjdvwPWJUYKiFVXG2I2cY0ssG7h4+hwk+XOIX7ZSG9Q7TW8TW3Kp3BUSqgFWBLgL4PJ+Blag==
+lru-cache@^10.2.0:
+  version "10.2.0"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-10.2.0.tgz#0bd445ca57363465900f4d1f9bd8db343a4d95c3"
+  integrity sha512-2bIM8x+VAf6JT4bKAljS1qUWgMsqZRPGJS6FSahIMPVvctcNhyVp7AJu7quxOW9jwkryBReKZY5tY5JYv2n/7Q==
 
 mime-db@1.52.0:
   version "1.52.0"
@@ -283,7 +283,7 @@ minimatch@^9.0.1:
   dependencies:
     brace-expansion "^2.0.1"
 
-"minipass@^5.0.0 || ^6.0.2 || ^7.0.0":
+"minipass@^5.0.0 || ^6.0.2 || ^7.0.0", minipass@^7.0.4:
   version "7.0.4"
   resolved "https://registry.yarnpkg.com/minipass/-/minipass-7.0.4.tgz#dbce03740f50a4786ba994c1fb908844d27b038c"
   integrity sha512-jYofLM5Dam9279rdkWzqHozUo4ybjdZmCsDHePy5V/PbBcVMiSZR97gmAy45aqi8CK1lG2ECd356FU86avfwUQ==
@@ -310,12 +310,12 @@ path-key@^3.1.0:
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-3.1.1.tgz#581f6ade658cbba65a0d3380de7753295054f375"
   integrity sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==
 
-path-scurry@^1.10.1:
-  version "1.10.1"
-  resolved "https://registry.yarnpkg.com/path-scurry/-/path-scurry-1.10.1.tgz#9ba6bf5aa8500fe9fd67df4f0d9483b2b0bfc698"
-  integrity sha512-MkhCqzzBEpPvxxQ71Md0b1Kk51W01lrYvlMzSUaIzNsODdd7mqhiimSZlr+VegAz5Z6Vzt9Xg2ttE//XBhH3EQ==
+path-scurry@^1.10.2:
+  version "1.10.2"
+  resolved "https://registry.yarnpkg.com/path-scurry/-/path-scurry-1.10.2.tgz#8f6357eb1239d5fa1da8b9f70e9c080675458ba7"
+  integrity sha512-7xTavNy5RQXnsjANvVvMkEjvloOinkAjv/Z6Ildz9v2RinZ4SBKTWFOVRbaF8p0vpHnyjV/UwNDdKuUv6M5qcA==
   dependencies:
-    lru-cache "^9.1.1 || ^10.0.0"
+    lru-cache "^10.2.0"
     minipass "^5.0.0 || ^6.0.2 || ^7.0.0"
 
 psl@^1.1.33:
@@ -338,17 +338,10 @@ requires-port@^1.0.0:
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
   integrity sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==
 
-rescript-js@1.0.0-beta.2:
-  version "1.0.0-beta.2"
-  resolved "https://registry.yarnpkg.com/rescript-js/-/rescript-js-1.0.0-beta.2.tgz#f04a259396dde22178b43cebd1b3dbd3a4f94a60"
-  integrity sha512-eWq9ga4tnzXpED1IkDtmmkMBoUN2Vy4FPeZ9ge5ur0vHSolf7QhpnpGoPY0hkTXfwXQuFlPw5g2g5nWCEmIkVQ==
-  dependencies:
-    "@ryyppy/rescript-promise" "^2.1.0"
-
-rescript@^10.0.0:
-  version "10.1.4"
-  resolved "https://registry.yarnpkg.com/rescript/-/rescript-10.1.4.tgz#0f37710d371f32a704f17b4e804f66ce3c79a305"
-  integrity sha512-FFKlS9AG/XrLepWsyw7B+A9DtQBPWEPDPDKghV831Y2KGbie+eeFBOS0xtRHp0xbt7S0N2Dm6hhX+kTZQ/3Ybg==
+rescript@^11.0.0:
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/rescript/-/rescript-11.1.0.tgz#68dec0b3cbc456c1f9c8e4f10bda6fae49bf7f92"
+  integrity sha512-9la2Dv+ACylQ77I8s4spPu1JnLZXbH5WgxcLHLLUBWgFFSiv0wXqgzWztrBIZqwFgVX5BYcwldUqUVcEzdCyHg==
 
 rrweb-cssom@^0.6.0:
   version "0.6.0"
@@ -385,6 +378,7 @@ signal-exit@^4.0.1:
   integrity sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==
 
 "string-width-cjs@npm:string-width@^4.2.0", string-width@^4.1.0:
+  name string-width-cjs
   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==
@@ -403,6 +397,7 @@ string-width@^5.0.1, string-width@^5.1.2:
     strip-ansi "^7.0.1"
 
 "strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+  name strip-ansi-cjs
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==