diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 750c25c..8bb7c54 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,6 +12,8 @@ jobs:
       run: git config --global core.autocrlf false
     - name: checkout
       uses: actions/checkout@v3
+    - name: Check version
+      run: node stremiover.js check
     - name: Stable with rustfmt and clippy
       uses: actions-rust-lang/setup-rust-toolchain@v1
       with:
diff --git a/stremiover.js b/stremiover.js
new file mode 100644
index 0000000..d16516e
--- /dev/null
+++ b/stremiover.js
@@ -0,0 +1,69 @@
+#!/usr/bin/env node
+const { readFileSync, writeFileSync } = require('fs');
+
+function getGitVersion() {
+    const { execSync } = require('child_process');
+    let ver = execSync('git describe --tags --abbrev=0').toString().match(/^v(?<version>\d+\.\d+.\d+)/);
+    if (ver === null || typeof ver.groups !== "object" || typeof ver.groups.version !== "string") return null;
+    return ver.groups.version;
+}
+function getCargoVersion(str) {
+    const psection = '[package]\n'
+    const poffset = str.indexOf(psection)
+    if (poffset === -1) {
+        console.error(`No ${psection}`)
+        return null;
+    }
+    const voffset = str.indexOf('\nversion', poffset + psection.length);
+    if (voffset === -1) {
+        console.error(`No version`)
+        return null;
+    } const vstart = str.indexOf('"', voffset) + 1;
+    if (vstart === 0) return null;
+    const vend = str.indexOf('"', vstart);
+
+    return { vstart, vend, version: str.slice(vstart, vend) }
+}
+
+switch (process.argv[2]) {
+    case 'check': {
+        const cver = getCargoVersion(readFileSync('Cargo.toml').toString());
+        const gver = getGitVersion();
+        if (gver !== cver.version) {
+            console.error(`Fatal error: the version in Cargo.toml (v${cver.version}) doesn't match latest tag (v${gver})!`);
+            process.exit(1);
+        }
+        console.log('Cargo versino matches the git tag ' + gver);
+        break;
+    }
+    case 'update': {
+        let newVer = process.argv[3];
+        if (!newVer) {
+            const ghv = getGitVersion().split('.')
+            const patch = (parseInt(ghv.pop(), 10) + 1).toString(10);
+            ghv.push(patch);
+            newVer = ghv.join('.');
+            console.log(`WRNING: No new version provided. Using GH version + 1`)
+        }
+        const toml = readFileSync('Cargo.toml').toString();
+        const cver = getCargoVersion(toml);
+        if (cver.version === newVer) {
+            console.log('Warinig: the new version is the same as the version in Cargo.toml')
+        }
+        const newtoml = toml.slice(0, cver.vstart) + newVer + toml.slice(cver.vend)
+        writeFileSync('Cargo.toml', newtoml);
+        console.log(`Cargo.toml updated to v${newVer}`);
+        console.log('Changes can be upstreamed by the following commands:\n');
+        console.log('git add Cargo.toml');
+        console.log(`git commit -m "Version updated to v${newVer}"`);
+        console.log(`git tag -a v${newVer} -m "Release of v${newVer}"`);
+        console.log('git push && git push --tags');
+        break;
+    }
+    default: {
+        console.log(`usage: ${process.argv[0]} check|update ver`);
+        break;
+    }
+}
+
+