diff --git a/package-lock.json b/package-lock.json
index 0dab210..5682352 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@slawek/sk-az-tools",
-    "version": "0.4.2",
+    "version": "0.4.3",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@slawek/sk-az-tools",
-            "version": "0.4.2",
+            "version": "0.4.3",
             "license": "MIT",
             "dependencies": {
                 "@azure/identity": "^4.13.0",
diff --git a/package.json b/package.json
index 55f5b6d..d6a0a5a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@slawek/sk-az-tools",
-    "version": "0.4.2",
+    "version": "0.4.3",
     "type": "module",
     "files": [
         "dist",
@@ -10,6 +10,7 @@
     "scripts": {
         "build": "rm -rf dist && tsc && chmod +x dist/cli.js",
         "create-pca": "node dist/create-pca.js",
+        "bump-patch": "node scripts/bump-patch.mjs",
         "make-deps": "node scripts/make-mermaid-func-deps.mjs",
         "clean": "rm -rf dist"
     },
@@ -25,7 +26,8 @@
         "@slawek/sk-tools": ">=0.1.0",
         "azure-devops-node-api": "^15.1.2",
         "minimatch": "^10.1.2",
-        "open": "^10.1.0"
+        "open": "^10.1.0",
+        "semver": "^7.7.2"
     },
     "devDependencies": {
         "@types/node": ">=24.0.0",
diff --git a/scripts/bump-patch.mjs b/scripts/bump-patch.mjs
new file mode 100755
index 0000000..34bbea9
--- /dev/null
+++ b/scripts/bump-patch.mjs
@@ -0,0 +1,48 @@
+#!/usr/bin/env node
+
+import fs from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import semver from 'semver';
+
+function bump(fileName) {
+    const __filename = fileURLToPath(import.meta.url);
+    const __dirname = path.dirname(__filename);
+
+    const filePath = path.resolve(__dirname, '..', fileName);
+
+    if (!bump.nextVersion) {
+        const packageJsonPath = path.resolve(__dirname, '../package.json');
+        const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, 'utf8'));
+        const version = packageJson.version;
+
+        if (typeof version !== 'string') {
+            throw new Error('package.json does not contain a string "version" field.');
+        }
+
+        const nextVersion = semver.inc(version, 'patch');
+
+        if (!nextVersion) {
+            throw new Error(`Unsupported semver format: "${version}"`);
+        }
+
+        bump.nextVersion = nextVersion;
+    }
+
+    if (!fs.existsSync(filePath)) {
+        throw new Error(`File not found: ${filePath}`);
+    }
+
+    const json = JSON.parse(fs.readFileSync(filePath, 'utf8'));
+    json.version = bump.nextVersion;
+
+    if (path.basename(filePath) === 'package-lock.json' && json.packages?.['']) {
+        json.packages[''].version = bump.nextVersion;
+    }
+
+    fs.writeFileSync(filePath, `${JSON.stringify(json, null, 4)}\n`, 'utf8');
+    console.log(`Bumped version in ${fileName} to ${bump.nextVersion}`);
+}
+
+bump('package.json');
+bump('package-lock.json');