diff --git a/.changeset/tricky-cups-kiss.md b/.changeset/tricky-cups-kiss.md
new file mode 100644
index 0000000..363a34a
--- /dev/null
+++ b/.changeset/tricky-cups-kiss.md
@@ -0,0 +1,5 @@
+---
+"effect-log": minor
+---
+
+Update effect to 3.0.
diff --git a/package.json b/package.json
index 274788e..ed7043e 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@typescript-eslint/parser": "^7.7.0",
     "@vitest/coverage-v8": "^1.5.0",
     "babel-plugin-annotate-pure-calls": "^0.4.0",
-    "effect": "2.4.19",
+    "effect": "3.0.0",
     "eslint": "^8.57.0",
     "eslint-import-resolver-typescript": "^3.6.1",
     "eslint-plugin-codegen": "0.28.0",
@@ -62,10 +62,10 @@
     "rimraf": "^5.0.5",
     "tsx": "^4.7.2",
     "typescript": "^5.4.5",
-    "vite": "^5.2.8",
+    "vite": "^5.2.9",
     "vitest": "^1.5.0"
   },
   "peerDependencies": {
-    "effect": "^2.4.19"
+    "effect": "^3.0.0"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 91ed4d7..c3033e9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -45,8 +45,8 @@ devDependencies:
     specifier: ^0.4.0
     version: 0.4.0(@babel/core@7.24.4)
   effect:
-    specifier: 2.4.19
-    version: 2.4.19
+    specifier: 3.0.0
+    version: 3.0.0
   eslint:
     specifier: ^8.57.0
     version: 8.57.0
@@ -84,8 +84,8 @@ devDependencies:
     specifier: ^5.4.5
     version: 5.4.5
   vite:
-    specifier: ^5.2.8
-    version: 5.2.8
+    specifier: ^5.2.9
+    version: 5.2.9
   vitest:
     specifier: ^1.5.0
     version: 1.5.0
@@ -2510,8 +2510,8 @@ packages:
     resolution: {integrity: sha512-I88TYZWc9XiYHRQ4/3c5rjjfgkjhLyW2luGIheGERbNQ6OY7yTybanSpDXZa8y7VUP9YmDcYa+eyq4ca7iLqWA==}
     dev: true
 
-  /effect@2.4.19:
-    resolution: {integrity: sha512-z/rn878Po3n522g/AYUDHD1SsZaZdvRxlTCLQ8xl8H6xA82nBwwooD1mdn/73Uywmp7d84oay3w3528r0Uyd0w==}
+  /effect@3.0.0:
+    resolution: {integrity: sha512-8yVxuahojpD8Y6ynrvIlSWD2xsea/PyGnjA4V5c7v0fOMJafgsKUNUHErBAr6YoPikmtOfR9zqNWRd9u5QaWEQ==}
     dev: true
 
   /electron-to-chromium@1.4.736:
@@ -5756,7 +5756,7 @@ packages:
       debug: 4.3.4
       pathe: 1.1.2
       picocolors: 1.0.0
-      vite: 5.2.8
+      vite: 5.2.9
     transitivePeerDependencies:
       - '@types/node'
       - less
@@ -5768,8 +5768,8 @@ packages:
       - terser
     dev: true
 
-  /vite@5.2.8:
-    resolution: {integrity: sha512-OyZR+c1CE8yeHw5V5t59aXsUPPVTHMDjEZz8MgguLL/Q7NblxhZUlTu9xSPqlsUO/y+X7dlU05jdhvyycD55DA==}
+  /vite@5.2.9:
+    resolution: {integrity: sha512-uOQWfuZBlc6Y3W/DTuQ1Sr+oIXWvqljLvS881SVmAj00d5RdgShLcuXWxseWPd4HXwiYBFW/vXHfKFeqj9uQnw==}
     engines: {node: ^18.0.0 || >=20.0.0}
     hasBin: true
     peerDependencies:
@@ -5845,7 +5845,7 @@ packages:
       strip-literal: 2.1.0
       tinybench: 2.7.0
       tinypool: 0.8.4
-      vite: 5.2.8
+      vite: 5.2.9
       vite-node: 1.5.0
       why-is-node-running: 2.2.2
     transitivePeerDependencies:
diff --git a/src/PrettyLogger.ts b/src/PrettyLogger.ts
index 7e2ce3d..6403db7 100644
--- a/src/PrettyLogger.ts
+++ b/src/PrettyLogger.ts
@@ -3,6 +3,7 @@
  *
  * @since 1.0.0
  */
+import * as Array from "effect/Array"
 import * as Cause from "effect/Cause"
 import * as FiberId from "effect/FiberId"
 import { identity, pipe } from "effect/Function"
@@ -12,7 +13,6 @@ import * as List from "effect/List"
 import * as Logger from "effect/Logger"
 import type * as LogLevel from "effect/LogLevel"
 import type * as LogSpan from "effect/LogSpan"
-import * as ReadonlyArray from "effect/ReadonlyArray"
 
 import { serializeUnknown } from "./internal/serializeUnkown.js"
 
@@ -157,8 +157,8 @@ const createText = (
 ) =>
   pipe(
     [createCauseMessage(cause), messageText(colorService, message)],
-    ReadonlyArray.filter((i) => i !== ""),
-    ReadonlyArray.join(" ")
+    Array.filter((i) => i !== ""),
+    Array.join(" ")
   )
 
 /** @internal */