diff --git a/.github/workflows/jsr.yml b/.github/workflows/jsr.yml
new file mode 100644
index 0000000..2de3f3a
--- /dev/null
+++ b/.github/workflows/jsr.yml
@@ -0,0 +1,27 @@
+name: jsr
+
+env:
+  DENO_VERSION: 1.x
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: denoland/setup-deno@v1
+        with:
+          deno-version: ${{ env.DENO_VERSION }}
+      - name: Publish
+        run: |
+          deno run -A jsr:@david/publish-on-tag@0.1.3
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 60717c1..045fbcb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,12 +10,13 @@ on:
     branches:
       - main
   pull_request:
+  workflow_dispatch:
 
 jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v1
         with:
           deno-version: ${{ env.DENO_VERSION }}
@@ -30,7 +31,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v1
         with:
           deno-version: ${{ env.DENO_VERSION }}
@@ -38,3 +39,6 @@ jobs:
         run: |
           deno task test
         timeout-minutes: 5
+      - name: JSR publish (dry-run)
+        run: |
+          deno publish --dry-run
diff --git a/.github/workflows/udd.yml b/.github/workflows/udd.yml
deleted file mode 100644
index 3fa4eed..0000000
--- a/.github/workflows/udd.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-name: Update
-
-on:
-  schedule:
-    - cron: "0 0 * * *"
-  workflow_dispatch:
-
-jobs:
-  udd:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: denoland/setup-deno@v1
-        with:
-          deno-version: "1.x"
-      - name: Update dependencies
-        run: |
-          deno task upgrade > ../output.txt
-        env:
-          NO_COLOR: 1
-      - name: Read ../output.txt
-        id: log
-        uses: juliangruber/read-file-action@v1
-        with:
-          path: ../output.txt
-      - name: Commit changes
-        run: |
-          git config user.name '${{ github.actor }}'
-          git config user.email '${{ github.actor }}@users.noreply.github.com'
-          git commit -a -F- <<EOM
-          :package: Update Deno dependencies
-
-          Update dependencies by udd:
-
-          ${{ steps.log.outputs.content }}
-
-          EOM
-      - uses: peter-evans/create-pull-request@v4
-        with:
-          title: ":package: Update Deno dependencies"
-          body: |
-            The output of `make update` is
-
-            ```
-            ${{ steps.log.outputs.content }}
-            ```
-          labels: automation
-          branch: automation/update-dependencies
-          delete-branch: true
-          token: "${{ secrets.PA_TOKEN }}"
diff --git a/README.md b/README.md
index 3930600..013eb5e 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 # unnullish
 
+[![jsr](https://img.shields.io/jsr/v/%40lambdalisue/unnullish?logo=javascript&logoColor=white)](https://jsr.io/@lambdalisue/unnullish)
+[![denoland](https://img.shields.io/github/v/release/lambdalisue/deno-unnullish?logo=deno&label=denoland)](https://github.com/lambdalisue/deno-unnullish/releases)
 [![npm](http://img.shields.io/badge/available%20on-npm-lightgrey.svg?logo=npm&logoColor=white)](https://www.npmjs.com/package/unnullish)
-[![deno land](http://img.shields.io/badge/available%20on-deno.land/x-lightgrey.svg?logo=deno)](https://deno.land/x/unnullish)
 [![deno doc](https://doc.deno.land/badge.svg)](https://doc.deno.land/https/deno.land/x/unnullish/mod.ts)
 [![Test](https://github.com/lambdalisue/deno-unnullish/workflows/Test/badge.svg)](https://github.com/lambdalisue/deno-unnullish/actions?query=workflow%3ATest)
 [![npm version](https://badge.fury.io/js/unnullish.svg)](https://badge.fury.io/js/unnullish)
@@ -23,7 +24,7 @@ The function is useful when you want to apply some transformation functions to
 optional values. For example,
 
 ```typescript
-import { unnullish } from "./mod.ts";
+import { unnullish } from "https://deno.land/x/unnullish@$MODULE_VERSION/mod.ts";
 
 type Options = {
   foo?: string;
@@ -54,7 +55,7 @@ you may need to use nullish coalescing operator to normalize the result. For
 example,
 
 ```typescript
-import { unnullish } from "./mod.ts";
+import { unnullish } from "https://deno.land/x/unnullish@$MODULE_VERSION/mod.ts";
 
 console.log(unnullish(null, () => 0));
 // -> undefined
@@ -67,14 +68,6 @@ console.log(unnullish(undefined, () => 0) ?? null);
 // -> null
 ```
 
-##### Deno
-
-Use `import { unnullish } from "https://deno.land/x/unnullish/mod.ts"`;
-
-##### Node
-
-Use `import { unnullish } from "unnullish"`;
-
 ## License
 
 The code follows MIT license written in [LICENSE](./LICENSE). Contributors need
diff --git a/deno.jsonc b/deno.jsonc
index 5df9813..c498e2d 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -1,9 +1,16 @@
 {
-  "lock": false,
+  "name": "@lambdalisue/unnullish",
+  "version": "0.0.0",
+  "exports": "./mod.ts",
   "tasks": {
     "build-npm": "deno run -A scripts/build_npm.ts $(git describe --tags --always --dirty)",
-    "test": "deno test --unstable -A --parallel",
-    "check": "deno check --unstable $(find . -name '*.ts')",
-    "upgrade": "deno run -A https://deno.land/x/udd/main.ts $(find . -name '*.ts' -not -path '*/npm/*')"
+    "test": "deno test -A --parallel --doc --shuffle",
+    "check": "deno check **/*.ts"
+  },
+  "imports": {
+    "@deno/dnt": "jsr:@deno/dnt@^0.41.1",
+    "@lambdalisue/unreachable": "jsr:@lambdalisue/unreachable@^1.0.1",
+    "@std/assert": "jsr:@std/assert@^0.221.0",
+    "https://deno.land/x/unnullish@$MODULE_VERSION/": "./"
   }
 }
diff --git a/scripts/build_npm.ts b/scripts/build_npm.ts
index 3616986..874ec52 100644
--- a/scripts/build_npm.ts
+++ b/scripts/build_npm.ts
@@ -1,4 +1,4 @@
-import { build, emptyDir } from "https://deno.land/x/dnt@0.34.0/mod.ts";
+import { build, emptyDir } from "@deno/dnt";
 
 const name = "unnullish";
 const version = Deno.args[0];
diff --git a/unnullish_test.ts b/unnullish_test.ts
index 47a8aaa..726e1ee 100644
--- a/unnullish_test.ts
+++ b/unnullish_test.ts
@@ -1,5 +1,5 @@
-import { assertEquals } from "https://deno.land/std@0.186.0/testing/asserts.ts";
-import { unreachable } from "https://deno.land/x/unreachable@v0.1.0/mod.ts";
+import { assertEquals } from "@std/assert";
+import { unreachable } from "@lambdalisue/unreachable";
 import { unnullish } from "./unnullish.ts";
 
 Deno.test("unnullish() returns undefined when the value is undefined", () => {