diff --git a/src/cli/index.ts b/src/cli/index.ts
index f67a8e1..cb87b95 100644
--- a/src/cli/index.ts
+++ b/src/cli/index.ts
@@ -11,11 +11,12 @@
 
 import { program } from "commander";
 import { registerCommands } from "./commands/index.js";
+import { VERSION } from "./version.js";
 
 program
   .name("trail")
   .description("Leave a trail of your work for others to follow")
-  .version("0.1.0")
+  .version(VERSION)
   .option(
     "--data-dir <path>",
     "Override trajectory storage directory (or set TRAJECTORIES_DATA_DIR)",
diff --git a/src/cli/runner.ts b/src/cli/runner.ts
index 49ee75e..909b217 100644
--- a/src/cli/runner.ts
+++ b/src/cli/runner.ts
@@ -6,6 +6,7 @@
 
 import { Command } from "commander";
 import { registerCommands } from "./commands/index.js";
+import { VERSION } from "./version.js";
 
 export interface CommandResult {
   success: boolean;
@@ -37,7 +38,7 @@ export async function runCommand(args: string[]): Promise<CommandResult> {
     program
       .name("traj")
       .description("Capture the complete train of thought of agent work")
-      .version("0.1.0")
+      .version(VERSION)
       .exitOverride() // Don't exit process on error
       .configureOutput({
         writeOut: (str) => {
diff --git a/src/cli/version.ts b/src/cli/version.ts
new file mode 100644
index 0000000..d8304ba
--- /dev/null
+++ b/src/cli/version.ts
@@ -0,0 +1,30 @@
+import fs from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+function findPackageJson(startDir: string): string {
+  let dir = startDir;
+  while (dir !== path.dirname(dir)) {
+    const candidate = path.join(dir, "package.json");
+    if (fs.existsSync(candidate)) {
+      return candidate;
+    }
+    dir = path.dirname(dir);
+  }
+  throw new Error("Could not find package.json");
+}
+
+function resolveCliVersion(): string {
+  try {
+    const here = path.dirname(fileURLToPath(import.meta.url));
+    const packageJsonPath = findPackageJson(here);
+    const packageJson = JSON.parse(
+      fs.readFileSync(packageJsonPath, "utf-8"),
+    ) as { version?: string };
+    return packageJson.version ?? "unknown";
+  } catch {
+    return "unknown";
+  }
+}
+
+export const VERSION = resolveCliVersion();