diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 55752f4..b3e4a30 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -41,6 +41,8 @@ jobs:
       - uses: tauri-apps/tauri-action@v0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
+          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
         with:
           tagName: ${{ github.ref_name }}
           releaseName: "Summarum ${{ github.ref_name }}"
diff --git a/.gitignore b/.gitignore
index 4a40e6b..a5354f9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,6 @@ numi-master/
 
 # one-off debugging artifacts
 scripts/smoke-*
+
+# updater signing key — private, never publish (see .tauri-signing/README.txt)
+.tauri-signing/
diff --git a/package-lock.json b/package-lock.json
index 7e874ba..0cdd7de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "summarum",
-  "version": "1.0.0",
+  "version": "1.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "summarum",
-      "version": "1.0.0",
+      "version": "1.2.0",
       "dependencies": {
         "@codemirror/autocomplete": "^6.18.0",
         "@codemirror/commands": "^6.8.0",
@@ -19,6 +19,8 @@
         "@tauri-apps/plugin-dialog": "^2.7.1",
         "@tauri-apps/plugin-global-shortcut": "^2.2.0",
         "@tauri-apps/plugin-opener": "^2.2.0",
+        "@tauri-apps/plugin-process": "^2.3.1",
+        "@tauri-apps/plugin-updater": "^2.10.1",
         "decimal.js": "^10.4.3"
       },
       "devDependencies": {
@@ -1234,6 +1236,24 @@
         "@tauri-apps/api": "^2.11.0"
       }
     },
+    "node_modules/@tauri-apps/plugin-process": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@tauri-apps/plugin-process/-/plugin-process-2.3.1.tgz",
+      "integrity": "sha512-nCa4fGVaDL/B9ai03VyPOjfAHRHSBz5v6F/ObsB73r/dA3MHHhZtldaDMIc0V/pnUw9ehzr2iEG+XkSEyC0JJA==",
+      "license": "MIT OR Apache-2.0",
+      "dependencies": {
+        "@tauri-apps/api": "^2.8.0"
+      }
+    },
+    "node_modules/@tauri-apps/plugin-updater": {
+      "version": "2.10.1",
+      "resolved": "https://registry.npmjs.org/@tauri-apps/plugin-updater/-/plugin-updater-2.10.1.tgz",
+      "integrity": "sha512-NFYMg+tWOZPJdzE/PpFj2qfqwAWwNS3kXrb1tm1gnBJ9mYzZ4WDRrwy8udzWoAnfGCHLuePNLY1WVCNHnh3eRA==",
+      "license": "MIT OR Apache-2.0",
+      "dependencies": {
+        "@tauri-apps/api": "^2.10.1"
+      }
+    },
     "node_modules/@types/chai": {
       "version": "5.2.3",
       "resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.2.3.tgz",
diff --git a/package.json b/package.json
index 1d27b05..4df5651 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,8 @@
     "@tauri-apps/plugin-dialog": "^2.7.1",
     "@tauri-apps/plugin-global-shortcut": "^2.2.0",
     "@tauri-apps/plugin-opener": "^2.2.0",
+    "@tauri-apps/plugin-process": "^2.3.1",
+    "@tauri-apps/plugin-updater": "^2.10.1",
     "decimal.js": "^10.4.3"
   },
   "devDependencies": {
diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index 25d0596..44f8bd8 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -47,6 +47,15 @@ version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
+[[package]]
+name = "arbitrary"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3d036a3c4ab069c7b410a2ce876bd74808d2d0888a82667669f8e783a898bf1"
+dependencies = [
+ "derive_arbitrary",
+]
+
 [[package]]
 name = "async-broadcast"
 version = "0.7.2"
@@ -690,6 +699,17 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "derive_arbitrary"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e567bd82dcff979e4b03460c307b3cdc9e96fde3d73bed1496d2bc75d9dd62a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "derive_more"
 version = "2.1.1"
@@ -994,6 +1014,16 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "filetime"
+version = "0.2.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c287a33c7f0a620c38e641e7f60827713987b3c0f26e8ddc9462cc69cf75759"
+dependencies = [
+ "cfg-if",
+ "libc",
+]
+
 [[package]]
 name = "find-msvc-tools"
 version = "0.1.9"
@@ -1877,6 +1907,36 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "jni"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5efd9a482cf3a427f00d6b35f14332adc7902ce91efb778580e180ff90fa3498"
+dependencies = [
+ "cfg-if",
+ "combine",
+ "jni-macros",
+ "jni-sys 0.4.1",
+ "log",
+ "simd_cesu8",
+ "thiserror 2.0.18",
+ "walkdir",
+ "windows-link 0.2.1",
+]
+
+[[package]]
+name = "jni-macros"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a00109accc170f0bdb141fed3e393c565b6f5e072365c3bd58f5b062591560a3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rustc_version",
+ "simd_cesu8",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "jni-sys"
 version = "0.3.1"
@@ -2078,6 +2138,12 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "minisign-verify"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22f9645cb765ea72b8111f36c522475d2daa0d22c957a9826437e97534bc4e9e"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.9"
@@ -2326,6 +2392,18 @@ dependencies = [
  "objc2-core-foundation",
 ]
 
+[[package]]
+name = "objc2-osa-kit"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f112d1746737b0da274ef79a23aac283376f335f4095a083a267a082f21db0c0"
+dependencies = [
+ "bitflags 2.13.0",
+ "objc2",
+ "objc2-app-kit",
+ "objc2-foundation",
+]
+
 [[package]]
 name = "objc2-quartz-core"
 version = "0.3.2"
@@ -2401,6 +2479,12 @@ dependencies = [
  "pathdiff",
 ]
 
+[[package]]
+name = "openssl-probe"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"
+
 [[package]]
 name = "option-ext"
 version = "0.2.0"
@@ -2417,6 +2501,20 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "osakit"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "732c71caeaa72c065bb69d7ea08717bd3f4863a4f451402fc9513e29dbd5261b"
+dependencies = [
+ "objc2",
+ "objc2-foundation",
+ "objc2-osa-kit",
+ "serde",
+ "serde_json",
+ "thiserror 2.0.18",
+]
+
 [[package]]
 name = "pango"
 version = "0.18.3"
@@ -2775,7 +2873,7 @@ dependencies = [
  "once_cell",
  "socket2",
  "tracing",
- "windows-sys 0.52.0",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -2966,15 +3064,20 @@ dependencies = [
  "http-body",
  "http-body-util",
  "hyper",
+ "hyper-rustls",
  "hyper-util",
  "js-sys",
  "log",
  "percent-encoding",
  "pin-project-lite",
+ "rustls",
+ "rustls-pki-types",
+ "rustls-platform-verifier",
  "serde",
  "serde_json",
  "sync_wrapper",
  "tokio",
+ "tokio-rustls",
  "tokio-util",
  "tower",
  "tower-http",
@@ -3066,6 +3169,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rustls-native-certs"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dab5152771c58876a2146916e53e35057e1a4dfa2b9df0f0305b07f611fdea4d"
+dependencies = [
+ "openssl-probe",
+ "rustls-pki-types",
+ "schannel",
+ "security-framework",
+]
+
 [[package]]
 name = "rustls-pki-types"
 version = "1.14.1"
@@ -3076,6 +3191,33 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rustls-platform-verifier"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d1e2536ce4f35f4846aa13bff16bd0ff40157cdb14cc056c7b14ba41233ba0"
+dependencies = [
+ "core-foundation",
+ "core-foundation-sys",
+ "jni 0.22.4",
+ "log",
+ "once_cell",
+ "rustls",
+ "rustls-native-certs",
+ "rustls-platform-verifier-android",
+ "rustls-webpki",
+ "security-framework",
+ "security-framework-sys",
+ "webpki-root-certs",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "rustls-platform-verifier-android"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f87165f0995f63a9fbeea62b64d10b4d9d8e78ec6d7d51fb2125fda7bb36788f"
+
 [[package]]
 name = "rustls-webpki"
 version = "0.103.13"
@@ -3108,6 +3250,15 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "schannel"
+version = "0.1.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91c1b7e4904c873ef0710c1f407dde2e6287de2bebc1bbbf7d430bb7cbffd939"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "schemars"
 version = "0.8.22"
@@ -3165,6 +3316,29 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "security-framework"
+version = "3.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7f4bc775c73d9a02cde8bf7b2ec4c9d12743edf609006c7facc23998404cd1d"
+dependencies = [
+ "bitflags 2.13.0",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce2691df843ecc5d231c0b14ece2acc3efb62c0a398c7e1d875f3983ce020e3"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "selectors"
 version = "0.36.1"
@@ -3397,6 +3571,22 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "703d5c7ef118737c72f1af64ad2f6f8c5e1921f818cdcb97b8fe6fc69bf66214"
 
+[[package]]
+name = "simd_cesu8"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94f90157bb87cddf702797c5dadfa0be7d266cdf49e22da2fcaa32eff75b2c33"
+dependencies = [
+ "rustc_version",
+ "simdutf8",
+]
+
+[[package]]
+name = "simdutf8"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
+
 [[package]]
 name = "siphasher"
 version = "1.0.3"
@@ -3517,7 +3707,7 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "summarum"
-version = "1.1.3"
+version = "1.2.0"
 dependencies = [
  "chrono",
  "reqwest 0.12.28",
@@ -3529,7 +3719,9 @@ dependencies = [
  "tauri-plugin-dialog",
  "tauri-plugin-global-shortcut",
  "tauri-plugin-opener",
+ "tauri-plugin-process",
  "tauri-plugin-single-instance",
+ "tauri-plugin-updater",
 ]
 
 [[package]]
@@ -3615,7 +3807,7 @@ dependencies = [
  "gdkwayland-sys",
  "gdkx11-sys",
  "gtk",
- "jni",
+ "jni 0.21.1",
  "libc",
  "log",
  "ndk",
@@ -3648,6 +3840,17 @@ dependencies = [
  "syn 2.0.117",
 ]
 
+[[package]]
+name = "tar"
+version = "0.4.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f6221d9a6003c78398e3b239969f352578258df48c8eb051caadae0015bc840"
+dependencies = [
+ "filetime",
+ "libc",
+ "xattr",
+]
+
 [[package]]
 name = "target-lexicon"
 version = "0.12.16"
@@ -3671,7 +3874,7 @@ dependencies = [
  "gtk",
  "heck 0.5.0",
  "http",
- "jni",
+ "jni 0.21.1",
  "libc",
  "log",
  "mime",
@@ -3876,6 +4079,16 @@ dependencies = [
  "zbus",
 ]
 
+[[package]]
+name = "tauri-plugin-process"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d55511a7bf6cd70c8767b02c97bf8134fa434daf3926cfc1be0a0f94132d165a"
+dependencies = [
+ "tauri",
+ "tauri-plugin",
+]
+
 [[package]]
 name = "tauri-plugin-single-instance"
 version = "2.4.2"
@@ -3891,6 +4104,39 @@ dependencies = [
  "zbus",
 ]
 
+[[package]]
+name = "tauri-plugin-updater"
+version = "2.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "806d9dac662c2e4594ff03c647a552f2c9bd544e7d0f683ec58f872f952ce4af"
+dependencies = [
+ "base64 0.22.1",
+ "dirs 6.0.0",
+ "flate2",
+ "futures-util",
+ "http",
+ "infer",
+ "log",
+ "minisign-verify",
+ "osakit",
+ "percent-encoding",
+ "reqwest 0.13.4",
+ "rustls",
+ "semver",
+ "serde",
+ "serde_json",
+ "tar",
+ "tauri",
+ "tauri-plugin",
+ "tempfile",
+ "thiserror 2.0.18",
+ "time",
+ "tokio",
+ "url",
+ "windows-sys 0.60.2",
+ "zip",
+]
+
 [[package]]
 name = "tauri-runtime"
 version = "2.11.2"
@@ -3901,7 +4147,7 @@ dependencies = [
  "dpi",
  "gtk",
  "http",
- "jni",
+ "jni 0.21.1",
  "objc2",
  "objc2-ui-kit",
  "objc2-web-kit",
@@ -3924,7 +4170,7 @@ checksum = "b83849ee63ecb27a8e8d0fe51915ca215076914aca43f96db1179f0f415f6cd9"
 dependencies = [
  "gtk",
  "http",
- "jni",
+ "jni 0.21.1",
  "log",
  "objc2",
  "objc2-app-kit",
@@ -4761,6 +5007,15 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "webpki-root-certs"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d46a5a140e6f7afeccd8eae97eff335163939eac8b929834875168b29b3d267"
+dependencies = [
+ "rustls-pki-types",
+]
+
 [[package]]
 name = "webpki-roots"
 version = "1.0.7"
@@ -5401,7 +5656,7 @@ dependencies = [
  "gtk",
  "http",
  "javascriptcore-rs",
- "jni",
+ "jni 0.21.1",
  "libc",
  "ndk",
  "objc2",
@@ -5465,6 +5720,16 @@ version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea6fc2961e4ef194dcbfe56bb845534d0dc8098940c7e5c012a258bfec6701bd"
 
+[[package]]
+name = "xattr"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32e45ad4206f6d2479085147f02bc2ef834ac85886624a23575ae137c8aa8156"
+dependencies = [
+ "libc",
+ "rustix",
+]
+
 [[package]]
 name = "xkeysym"
 version = "0.2.1"
@@ -5635,6 +5900,18 @@ dependencies = [
  "syn 2.0.117",
 ]
 
+[[package]]
+name = "zip"
+version = "4.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "caa8cd6af31c3b31c6631b8f483848b91589021b28fffe50adada48d4f4d2ed1"
+dependencies = [
+ "arbitrary",
+ "crc32fast",
+ "indexmap 2.14.0",
+ "memchr",
+]
+
 [[package]]
 name = "zmij"
 version = "1.0.21"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index f27a9f4..c71d21f 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -14,6 +14,8 @@ tauri-plugin-autostart = "2"
 tauri-plugin-single-instance = "2"
 tauri-plugin-opener = "2"
 tauri-plugin-dialog = "2"
+tauri-plugin-updater = "2"
+tauri-plugin-process = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls"] }
diff --git a/src-tauri/capabilities/default.json b/src-tauri/capabilities/default.json
index ae835de..62f4383 100644
--- a/src-tauri/capabilities/default.json
+++ b/src-tauri/capabilities/default.json
@@ -20,6 +20,8 @@
     "autostart:allow-disable",
     "autostart:allow-is-enabled",
     "opener:default",
-    "dialog:default"
+    "dialog:default",
+    "updater:default",
+    "process:allow-restart"
   ]
 }
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index f74af91..3cb99a2 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -510,6 +510,8 @@ fn main() {
         ))
         .plugin(tauri_plugin_opener::init())
         .plugin(tauri_plugin_dialog::init())
+        .plugin(tauri_plugin_updater::Builder::new().build())
+        .plugin(tauri_plugin_process::init())
         .invoke_handler(tauri::generate_handler![
             save_file,
             load_file,
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index e189485..18e8ccf 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -29,6 +29,7 @@
   "bundle": {
     "active": true,
     "targets": ["nsis"],
+    "createUpdaterArtifacts": true,
     "icon": [
       "icons/32x32.png",
       "icons/128x128.png",
@@ -50,5 +51,13 @@
         "languages": ["English", "Russian"]
       }
     }
+  },
+  "plugins": {
+    "updater": {
+      "endpoints": [
+        "https://github.com/Horizontal42/summarum/releases/latest/download/latest.json"
+      ],
+      "pubkey": "dW50cnVzdGVkIGNvbW1lbnQ6IG1pbmlzaWduIHB1YmxpYyBrZXk6IDlERDUwODMzRTk4Qzc2NDkKUldSSmRvenBNd2pWbmZmd1JxVEZ4ZllKYmp5bnJHVFlJWmVsRWxBQ3pNaWx2bFZicFE3Rm1NeWYK"
+    }
   }
 }
diff --git a/src/i18n.ts b/src/i18n.ts
index 5b9afdd..1df80f9 100644
--- a/src/i18n.ts
+++ b/src/i18n.ts
@@ -47,6 +47,11 @@ const dict: Record<string, Record<string, string>> = {
     exportTxt: "Export as text",
     exportPrint: "Print / PDF",
     saved: "Saved",
+    updateAvailable: "Version {} is available. Install and restart now?",
+    updateInstall: "Install",
+    updateLater: "Later",
+    updateInstalling: "Installing update…",
+    updateFailed: "Update failed",
   },
   ru: {
     settings: "Настройки",
@@ -94,6 +99,11 @@ const dict: Record<string, Record<string, string>> = {
     exportTxt: "Экспорт в текст",
     exportPrint: "Печать / PDF",
     saved: "Сохранено",
+    updateAvailable: "Доступна версия {}. Установить и перезапустить сейчас?",
+    updateInstall: "Установить",
+    updateLater: "Позже",
+    updateInstalling: "Установка обновления…",
+    updateFailed: "Не удалось обновить",
   },
 };
 
diff --git a/src/main.ts b/src/main.ts
index 9e6e269..4a277de 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -13,6 +13,7 @@ import {
 import type { LineResult } from "./engine";
 import { setLang, detectLang, t } from "./i18n";
 import { runExtensions } from "./extensions";
+import { checkForUpdate } from "./updater";
 import { EN, RU } from "./engine/vocab-data";
 
 function welcomeText(lang: string): string {
@@ -654,6 +655,21 @@ async function boot(): Promise<void> {
       await getCurrentWindow().show();
     }
   }
+
+  void checkUpdate();
+}
+
+async function checkUpdate(): Promise<void> {
+  const update = await checkForUpdate();
+  if (!update) return;
+  const choice = await askModal(t("updateAvailable").replace("{}", update.version), t("updateInstall"), t("updateLater"));
+  if (choice !== "a") return;
+  toast(t("updateInstalling"));
+  try {
+    await update.install();
+  } catch {
+    toast(t("updateFailed"));
+  }
 }
 
 void boot();
diff --git a/src/updater.ts b/src/updater.ts
new file mode 100644
index 0000000..fbce4da
--- /dev/null
+++ b/src/updater.ts
@@ -0,0 +1,26 @@
+import { isTauri } from "./storage";
+
+export interface AvailableUpdate {
+  version: string;
+  install(): Promise<void>;
+}
+
+/** null if no update, offline, or running outside Tauri (`vite dev`). */
+export async function checkForUpdate(): Promise<AvailableUpdate | null> {
+  if (!isTauri()) return null;
+  try {
+    const { check } = await import("@tauri-apps/plugin-updater");
+    const update = await check();
+    if (!update) return null;
+    return {
+      version: update.version,
+      async install() {
+        await update.downloadAndInstall();
+        const { relaunch } = await import("@tauri-apps/plugin-process");
+        await relaunch();
+      },
+    };
+  } catch {
+    return null;
+  }
+}