diff --git a/.github/workflows/checks.yaml b/.github/workflows/checks.yaml
index 20cf941..f96a0be 100644
--- a/.github/workflows/checks.yaml
+++ b/.github/workflows/checks.yaml
@@ -24,8 +24,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v2
-      - run: deno test --allow-read --parallel --junit-path=./junit.xml
-      - uses: EnricoMi/publish-unit-test-result-action@v2
-        if: always()
+      - run: deno test --allow-read --parallel --coverage=cov/ --junit-path=./junit.xml
+      - run: deno coverage --lcov cov/ > cov.lcov
+      - uses: codecov/codecov-action@v5
         with:
-          files: junit.xml
+          token: ${{ secrets.CODECOV_TOKEN }}
+      - uses: codecov/test-results-action@v1
+        if: ${{ !cancelled() }}
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/cli.ts b/cli.ts
index e25e6b3..d794ce4 100644
--- a/cli.ts
+++ b/cli.ts
@@ -1,6 +1,7 @@
 import { colors } from "@cliffy/ansi/colors";
 import { Command } from "@cliffy/command";
 import { Input, Select } from "@cliffy/prompt";
+import { greaterThan, parse } from "@std/semver";
 import { readLinesFromFile } from "utils";
 import { days } from "./days/mod.ts";
 import denoJson from "./deno.json" with { type: "json" };
@@ -18,6 +19,33 @@ const list = new Command()
     }
   });
 
+const update = new Command()
+  .description("Update to the latest version")
+  .action(async () => {
+    const { latest } = await fetch(`https://jsr.io/${denoJson.name}/meta.json`)
+      .then(
+        (res) => res.json(),
+      );
+    const isUpdateAvailable = greaterThan(
+      parse(latest),
+      parse(denoJson.version),
+    );
+    if (isUpdateAvailable) {
+      console.log(
+        colors.bold.yellow(
+          `Update available: ${denoJson.version} -> ${latest}`,
+        ),
+      );
+      console.log("Updating...");
+      await new Deno.Command(Deno.execPath(), {
+        args: ["run", "-r", `jsr:@aoc/2024`, "--help"],
+      }).output();
+      console.log(colors.bold.green("Updated successfully"));
+    } else {
+      console.log(colors.bold.green("Already up to date"));
+    }
+  });
+
 const main = new Command()
   .name("Advent of Code - 2024")
   .version(denoJson.version)
@@ -83,5 +111,6 @@ function isWebUrl(path: string): boolean {
 if (import.meta.main) {
   await main
     .command("list", list)
+    .command("update", update)
     .parse(Deno.args);
 }
diff --git a/deno.json b/deno.json
index c397bd7..d7a6fe5 100644
--- a/deno.json
+++ b/deno.json
@@ -4,7 +4,7 @@
   "license": "MIT",
   "exports": "./cli.ts",
   "tasks": {
-    "cli": "deno run --allow-read ./cli.ts",
+    "cli": "deno run -RN ./cli.ts",
     "update:version": "deno run -A ./scripts/update_version.ts"
   },
   "imports": {
diff --git a/deno.lock b/deno.lock
index 7faaf0f..3b942ae 100644
--- a/deno.lock
+++ b/deno.lock
@@ -1,6 +1,7 @@
 {
   "version": "4",
   "specifiers": {
+    "jsr:@aoc/2024@1.3.0": "1.3.0",
     "jsr:@cliffy/ansi@1.0.0-rc.5": "1.0.0-rc.5",
     "jsr:@cliffy/command@1.0.0-rc.5": "1.0.0-rc.5",
     "jsr:@cliffy/flags@1.0.0-rc.5": "1.0.0-rc.5",
@@ -31,6 +32,17 @@
     "npm:@types/node@*": "22.5.4"
   },
   "jsr": {
+    "@aoc/2024@1.3.0": {
+      "integrity": "ed1fada613b52b8330826e90cd1ad1591a020c3a7599d70b189c487357b6579f",
+      "dependencies": [
+        "jsr:@cliffy/ansi",
+        "jsr:@cliffy/command",
+        "jsr:@cliffy/prompt",
+        "jsr:@std/collections",
+        "jsr:@std/path@1",
+        "jsr:@std/streams"
+      ]
+    },
     "@cliffy/ansi@1.0.0-rc.5": {
       "integrity": "85a4dba4da5d8278dcdfeea98672cd15706c244833f82edc60c61f410d9fc1a9",
       "dependencies": [