diff --git a/README.md b/README.md
index b236951..ac8efcd 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Note: At the moment, we support Polish language because this extension generates
 
 ## How build and run add-on
 
-1. Prepare node 16.x and npm 8.x
+1. Prepare node 16.x+ and npm 7.x+
 2. `npm install`
 3. `npm run build`
 4. The build code is located in the `lib/` directory
diff --git a/manifest.json b/manifest.json
index 2ac8cdc..2de9cae 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,7 +3,7 @@
     "manifest_version": 2,
     "name": "Rentgen",
     "short_name": "Rentgen",
-    "version": "0.1.0",
+    "version": "0.1.1",
     "author": "Kuba Orlik, Arkadiusz Wieczorek (Internet. Czas działać!)",
     "homepage_url": "https://git.internet-czas-dzialac.pl/icd/rentgen",
     "background": {
diff --git a/package.json b/package.json
index 8d45efa..5024136 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "rentgen",
-    "version": "0.1.0",
+    "version": "0.1.1",
     "description": "Rentgen is an add-on prepared for Firefox based browsers. This extension will automatically visualize all the data that a given website sends to third parties.",
     "main": "esbuild.config.js",
     "type": "module",