diff --git a/README.md b/README.md
index 8c9e3b6..f9b15cd 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ module.exports = {
         SHORT: 'CUSTOM',
         SILENT: false,
         PACKAGE_JSON_PATH: './package.json',
+        PACKAGE_JSON_INDENT: 4,
         components: {
           AutoIncreaseVersion: true,
           InjectAsComment: true,
diff --git a/src/components/auto-increase-version/auto-increase-version.js b/src/components/auto-increase-version/auto-increase-version.js
index eb2f8a8..27c9557 100644
--- a/src/components/auto-increase-version/auto-increase-version.js
+++ b/src/components/auto-increase-version/auto-increase-version.js
@@ -113,7 +113,7 @@ export default class AutoIncreaseVersion {
     // write new package.json file
     fs.writeFile(
       path.resolve(this.context.config.PACKAGE_JSON_PATH),
-      JSON.stringify(this.packageFile, null, 4), (err) => {
+      JSON.stringify(this.packageFile, null, this.context.config.PACKAGE_JSON_INDENT), (err) => {
         if (err) {
           this.reject(err);
           console.log(err);
diff --git a/src/config.js b/src/config.js
index c116ff8..7f4acee 100644
--- a/src/config.js
+++ b/src/config.js
@@ -2,6 +2,7 @@ export default {
   SHORT: 'AIV_SHORT',
   SILENT: false,
   PACKAGE_JSON_PATH: './package.json',
+  PACKAGE_JSON_INDENT: 4,
   components: {
     AutoIncreaseVersion: true,
     InjectAsComment: true,