diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0efbde55..a40dadab 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -46,6 +46,8 @@ jobs:
         run: node scripts/release/reformat-markdown.js "${{ steps.get-version.outputs.version }}"
       - name: Update SDK Typescript definitions
         run: node scripts/release/update-sdk-ts-defs.js
+      - name: Minify icons data file
+        run: node scripts/release/minify-icons-data.js
       - name: Build NodeJS package
         run: npm run build
       - name: Deploy to NPM
diff --git a/scripts/release/minify-icons-data.js b/scripts/release/minify-icons-data.js
new file mode 100644
index 00000000..4e09713c
--- /dev/null
+++ b/scripts/release/minify-icons-data.js
@@ -0,0 +1,9 @@
+/**
+ * @file
+ * Minify _data/simple-icons.json file.
+ */
+import {getIconsData} from '../../sdk.mjs';
+import {writeIconsData} from '../utils.js';
+
+const icons = await getIconsData();
+await writeIconsData({icons}, undefined, true);
diff --git a/scripts/utils.js b/scripts/utils.js
index ca568016..2ee6b2f7 100644
--- a/scripts/utils.js
+++ b/scripts/utils.js
@@ -32,14 +32,16 @@ export const getJsonSchemaData = async (
  * Write icons data to _data/simple-icons.json.
  * @param {{icons: IconData[]}} iconsData Icons data object.
  * @param {string} rootDirectory Path to the root directory of the project.
+ * @param {boolean} minify Whether to minify the JSON output.
  */
 export const writeIconsData = async (
   iconsData,
   rootDirectory = path.resolve(__dirname, '..'),
+  minify,
 ) => {
   await fs.writeFile(
     getIconDataPath(rootDirectory),
-    `${JSON.stringify(iconsData, null, 4)}\n`,
+    `${JSON.stringify(iconsData, null, minify ? 0 : 4)}\n`,
     'utf8',
   );
 };