diff --git a/README.md b/README.md
index 9418f37..b453fff 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ npm install --save-dev html-w3c-validator start-server-and-test
 
 ```jsonc
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/main/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "./node_modules/html-w3c-validator/schema/schema.json",
 
   // URLs to validate.
   "urls": ["http://127.0.0.1:3000/", "http://127.0.0.1:3000/about"],
diff --git a/example/.html-w3c-validatorrc.json b/example/.html-w3c-validatorrc.json
index 1568aa3..c8c2a56 100644
--- a/example/.html-w3c-validatorrc.json
+++ b/example/.html-w3c-validatorrc.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "./node_modules/html-w3c-validator/schema/schema.json",
   "urls": ["http://127.0.0.1:3000/", "http://127.0.0.1:3000/about"],
   "files": ["./build/index.html", "./build/about.html"]
 }
diff --git a/package.json b/package.json
index 1244967..960793e 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
   "bin": "build/index.js",
   "files": [
     "build",
+    "./schema/schema.json",
     "!**/*.test.js",
     "!**/*.map"
   ],
diff --git a/schema/html-w3c-validatorrc-schema.json b/schema/schema.json
similarity index 72%
rename from schema/html-w3c-validatorrc-schema.json
rename to schema/schema.json
index 517d4b6..09bd90a 100644
--- a/schema/html-w3c-validatorrc-schema.json
+++ b/schema/schema.json
@@ -1,14 +1,12 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
-  "$id": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/main/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "html-w3c-validator://config/schema.json",
   "title": "html-w3c-validator configuration schema",
   "type": "object",
   "properties": {
     "$schema": {
-      "description": "JSON Schema URI",
-      "type": "string",
-      "format": "uri",
-      "default": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/main/schema/html-w3c-validatorrc-schema.json"
+      "description": "JSON Schema",
+      "type": "string"
     },
     "urls": {
       "description": "URLs to validate.",
diff --git a/src/__test__/fixtures/error-config-invalid-files-and-urls/.html-w3c-validatorrc.json b/src/__test__/fixtures/error-config-invalid-files-and-urls/.html-w3c-validatorrc.json
index 2473aa3..39dc3a7 100644
--- a/src/__test__/fixtures/error-config-invalid-files-and-urls/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/error-config-invalid-files-and-urls/.html-w3c-validatorrc.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "urls": [],
   "files": []
 }
diff --git a/src/__test__/fixtures/error-config-invalid-files/.html-w3c-validatorrc.json b/src/__test__/fixtures/error-config-invalid-files/.html-w3c-validatorrc.json
index ff4f33c..f0f90d1 100644
--- a/src/__test__/fixtures/error-config-invalid-files/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/error-config-invalid-files/.html-w3c-validatorrc.json
@@ -1,4 +1,4 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "files": "Invalid"
 }
diff --git a/src/__test__/fixtures/error-config-invalid-severities-empty/.html-w3c-validatorrc.json b/src/__test__/fixtures/error-config-invalid-severities-empty/.html-w3c-validatorrc.json
index 119db2b..b45efd2 100644
--- a/src/__test__/fixtures/error-config-invalid-severities-empty/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/error-config-invalid-severities-empty/.html-w3c-validatorrc.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "files": ["./index.html"],
   "severities": []
 }
diff --git a/src/__test__/fixtures/error-config-invalid-severities/.html-w3c-validatorrc.json b/src/__test__/fixtures/error-config-invalid-severities/.html-w3c-validatorrc.json
index 309f6fb..4381154 100644
--- a/src/__test__/fixtures/error-config-invalid-severities/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/error-config-invalid-severities/.html-w3c-validatorrc.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "files": ["./index.html"],
   "severities": ["errors-invalid"]
 }
diff --git a/src/__test__/fixtures/error-config-invalid-urls/.html-w3c-validatorrc.json b/src/__test__/fixtures/error-config-invalid-urls/.html-w3c-validatorrc.json
index 9354c6b..a1b76cd 100644
--- a/src/__test__/fixtures/error-config-invalid-urls/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/error-config-invalid-urls/.html-w3c-validatorrc.json
@@ -1,4 +1,4 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "urls": "Invalid"
 }
diff --git a/src/__test__/fixtures/error-invalid-files-paths-to-check/.html-w3c-validatorrc.json b/src/__test__/fixtures/error-invalid-files-paths-to-check/.html-w3c-validatorrc.json
index 4dcd737..a290822 100644
--- a/src/__test__/fixtures/error-invalid-files-paths-to-check/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/error-invalid-files-paths-to-check/.html-w3c-validatorrc.json
@@ -1,4 +1,4 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "files": ["./index.html"]
 }
diff --git a/src/__test__/fixtures/error-invalid-w3c-html/.html-w3c-validatorrc.json b/src/__test__/fixtures/error-invalid-w3c-html/.html-w3c-validatorrc.json
index 4d035b7..301c096 100644
--- a/src/__test__/fixtures/error-invalid-w3c-html/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/error-invalid-w3c-html/.html-w3c-validatorrc.json
@@ -1,4 +1,4 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "files": ["./build/index.html", "./build/about.html"]
 }
diff --git a/src/__test__/fixtures/issue-6/.html-w3c-validatorrc.json b/src/__test__/fixtures/issue-6/.html-w3c-validatorrc.json
index bc48c3a..9390726 100644
--- a/src/__test__/fixtures/issue-6/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/issue-6/.html-w3c-validatorrc.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/main/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "files": ["./build/index.html"],
   "severities": ["info", "warning", "error"]
 }
diff --git a/src/__test__/fixtures/success/.html-w3c-validatorrc.json b/src/__test__/fixtures/success/.html-w3c-validatorrc.json
index 4d035b7..301c096 100644
--- a/src/__test__/fixtures/success/.html-w3c-validatorrc.json
+++ b/src/__test__/fixtures/success/.html-w3c-validatorrc.json
@@ -1,4 +1,4 @@
 {
-  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
+  "$schema": "../../../../schema/schema.json",
   "files": ["./build/index.html", "./build/about.html"]
 }