diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d4e60f62..6ebc23ac 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -73,28 +73,30 @@ jobs:
 
       - name: Compile binaries (cross-compile all targets)
         run: |
+          VERSION=$(jq -r .version package.json)
+
           # macOS ARM64
-          bun build apps/hook/server/index.ts --compile --target=bun-darwin-arm64 --outfile plannotator-darwin-arm64
+          bun build apps/hook/server/index.ts --compile --target=bun-darwin-arm64 --define "__CLI_VERSION__=\"$VERSION\"" --outfile plannotator-darwin-arm64
           sha256sum plannotator-darwin-arm64 > plannotator-darwin-arm64.sha256
 
           # macOS x64
-          bun build apps/hook/server/index.ts --compile --target=bun-darwin-x64 --outfile plannotator-darwin-x64
+          bun build apps/hook/server/index.ts --compile --target=bun-darwin-x64 --define "__CLI_VERSION__=\"$VERSION\"" --outfile plannotator-darwin-x64
           sha256sum plannotator-darwin-x64 > plannotator-darwin-x64.sha256
 
           # Linux x64
-          bun build apps/hook/server/index.ts --compile --target=bun-linux-x64 --outfile plannotator-linux-x64
+          bun build apps/hook/server/index.ts --compile --target=bun-linux-x64 --define "__CLI_VERSION__=\"$VERSION\"" --outfile plannotator-linux-x64
           sha256sum plannotator-linux-x64 > plannotator-linux-x64.sha256
 
           # Linux ARM64
-          bun build apps/hook/server/index.ts --compile --target=bun-linux-arm64 --outfile plannotator-linux-arm64
+          bun build apps/hook/server/index.ts --compile --target=bun-linux-arm64 --define "__CLI_VERSION__=\"$VERSION\"" --outfile plannotator-linux-arm64
           sha256sum plannotator-linux-arm64 > plannotator-linux-arm64.sha256
 
           # Windows x64
-          bun build apps/hook/server/index.ts --compile --target=bun-windows-x64 --outfile plannotator-win32-x64.exe
+          bun build apps/hook/server/index.ts --compile --target=bun-windows-x64 --define "__CLI_VERSION__=\"$VERSION\"" --outfile plannotator-win32-x64.exe
           sha256sum plannotator-win32-x64.exe > plannotator-win32-x64.exe.sha256
 
           # Windows ARM64 (native, via bun-windows-arm64 — stable since Bun v1.3.10)
-          bun build apps/hook/server/index.ts --compile --target=bun-windows-arm64 --outfile plannotator-win32-arm64.exe
+          bun build apps/hook/server/index.ts --compile --target=bun-windows-arm64 --define "__CLI_VERSION__=\"$VERSION\"" --outfile plannotator-win32-arm64.exe
           sha256sum plannotator-win32-arm64.exe > plannotator-win32-arm64.exe.sha256
 
           # Paste service binaries
diff --git a/apps/hook/server/cli.test.ts b/apps/hook/server/cli.test.ts
index 9da4a9e3..ff8e5688 100644
--- a/apps/hook/server/cli.test.ts
+++ b/apps/hook/server/cli.test.ts
@@ -2,8 +2,10 @@ import { describe, expect, test } from "bun:test";
 import {
   formatInteractiveNoArgClarification,
   formatTopLevelHelp,
+  formatVersion,
   isInteractiveNoArgInvocation,
   isTopLevelHelpInvocation,
+  isVersionInvocation,
 } from "./cli";
 
 describe("CLI top-level help", () => {
@@ -17,6 +19,7 @@ describe("CLI top-level help", () => {
     const output = formatTopLevelHelp();
 
     expect(output).toContain("plannotator --help");
+    expect(output).toContain("plannotator --version, -v");
     expect(output).toContain("plannotator [--browser <name>]");
     expect(output).toContain("plannotator review [--git] [PR_URL]");
     expect(output).toContain("plannotator annotate <file.md | file.html | https://... | folder/>");
@@ -24,6 +27,20 @@ describe("CLI top-level help", () => {
   });
 });
 
+describe("CLI --version", () => {
+  test("recognizes --version and -v", () => {
+    expect(isVersionInvocation(["--version"])).toBe(true);
+    expect(isVersionInvocation(["-v"])).toBe(true);
+    expect(isVersionInvocation([])).toBe(false);
+    expect(isVersionInvocation(["review"])).toBe(false);
+  });
+
+  test("formats version string", () => {
+    const output = formatVersion();
+    expect(output).toStartWith("plannotator ");
+  });
+});
+
 describe("interactive no-arg invocation", () => {
   test("detects bare interactive invocation only when stdin is a TTY", () => {
     expect(isInteractiveNoArgInvocation([], true)).toBe(true);
diff --git a/apps/hook/server/cli.ts b/apps/hook/server/cli.ts
index 67b06d86..a1843527 100644
--- a/apps/hook/server/cli.ts
+++ b/apps/hook/server/cli.ts
@@ -2,6 +2,16 @@ export function isTopLevelHelpInvocation(args: string[]): boolean {
   return args[0] === "--help";
 }
 
+export function isVersionInvocation(args: string[]): boolean {
+  return args[0] === "--version" || args[0] === "-v";
+}
+
+declare const __CLI_VERSION__: string;
+
+export function formatVersion(): string {
+  return `plannotator ${typeof __CLI_VERSION__ !== "undefined" ? __CLI_VERSION__ : "dev"}`;
+}
+
 export function isInteractiveNoArgInvocation(
   args: string[],
   stdinIsTTY: boolean | undefined,
@@ -13,6 +23,7 @@ export function formatTopLevelHelp(): string {
   return [
     "Usage:",
     "  plannotator --help",
+    "  plannotator --version, -v",
     "  plannotator [--browser <name>]",
     "  plannotator review [--git] [PR_URL]",
     "  plannotator annotate <file.md | file.html | https://... | folder/>  [--no-jina] [--gate] [--json] [--hook]",
diff --git a/apps/hook/server/index.ts b/apps/hook/server/index.ts
index 045e1207..9287d2fe 100644
--- a/apps/hook/server/index.ts
+++ b/apps/hook/server/index.ts
@@ -44,6 +44,7 @@
  *
  * Global flags:
  *   --help             - Show top-level usage information
+ *   --version, -v      - Print version and exit
  *   --browser <name>   - Override which browser to open (e.g. "Google Chrome")
  *
  * Environment variables:
@@ -104,8 +105,10 @@ import { findCopilotPlanContent, findCopilotSessionForCwd, getLastCopilotMessage
 import {
   formatInteractiveNoArgClarification,
   formatTopLevelHelp,
+  formatVersion,
   isInteractiveNoArgInvocation,
   isTopLevelHelpInvocation,
+  isVersionInvocation,
 } from "./cli";
 import path from "path";
 import { tmpdir } from "os";
@@ -202,6 +205,11 @@ function emitAnnotateOutcome(result: {
   if (result.feedback) console.log(result.feedback);
 }
 
+if (isVersionInvocation(args)) {
+  console.log(formatVersion());
+  process.exit(0);
+}
+
 if (isTopLevelHelpInvocation(args)) {
   console.log(formatTopLevelHelp());
   process.exit(0);