diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8cd1a7f..2da756b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -5,7 +5,6 @@ dependencies:
   lazysizes: 5.2.0
   normalize.css: 8.0.1
   polka: 1.0.0-next.11
-  rellax: 1.12.1
   scroll-out: 2.2.8
   sirv: 0.4.2
   svelte-lazy: 0.1.10
@@ -27,6 +26,7 @@ devDependencies:
   postcss: 7.0.27
   postcss-load-config: 2.1.0
   postcss-preset-env: 6.7.0
+  rellax: 1.12.1
   rollup: 2.6.1
   rollup-plugin-babel: 4.4.0_@babel+core@7.9.0+rollup@2.6.1
   rollup-plugin-glslify: 1.2.0
@@ -3201,7 +3201,7 @@ packages:
     resolution:
       integrity: sha1-VNvzd+UUQKypCkzSdGANP/LYiKk=
   /rellax/1.12.1:
-    dev: false
+    dev: true
     resolution:
       integrity: sha512-XBIi0CDpW5FLTujYjYBn1CIbK2CJL6TsAg/w409KghP2LucjjzBjsujXDAjyBLWgsfupfUcL5WzdnIPcGfK7XA==
   /repeating/2.0.1:
diff --git a/rollup.config.js b/rollup.config.js
index 1ba9784..e4c7971 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -128,20 +128,20 @@ export default {
     ** Service worker
     */
     // ...(!dev && {
-    //     serviceworker: {
-    //         input: sapperConfig.serviceworker.input(),
-    //         output: sapperConfig.serviceworker.output(),
-    //         plugins: [
-    //             resolve(),
-    //         aliases,
-    //             replace({
-    //                 'process.browser': true,
-    //                 ...replaceOptions
-    //             }),
-    //             commonjs(),
-    //             !dev && terser()
-    //         ],
-    //         onwarn,
-    //     }
+        serviceworker: {
+            input: sapperConfig.serviceworker.input(),
+            output: sapperConfig.serviceworker.output(),
+            plugins: [
+                resolve(),
+            aliases,
+                replace({
+                    'process.browser': true,
+                    ...replaceOptions
+                }),
+                commonjs(),
+                !dev && terser()
+            ],
+            onwarn,
+        }
     // })
 }