diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..86a6bc3
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,13 @@
+{
+  "name": "blockmirror",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "codemirror": {
+      "version": "5.48.0",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.48.0.tgz",
+      "integrity": "sha512-3Ter+tYtRlTNtxtYdYNPxGxBL/b3cMcvPdPm70gvmcOO2Rauv/fUEewWa0tT596Hosv6ea2mtpx28OXBy1mQCg=="
+    }
+  }
+}
diff --git a/package.json b/package.json
index 4d98648..4b213ae 100644
--- a/package.json
+++ b/package.json
@@ -18,5 +18,8 @@
   "bugs": {
     "url": "https://github.com/blockpy-edu/BlockMirror/issues"
   },
-  "homepage": "https://github.com/blockpy-edu/BlockMirror#readme"
+  "homepage": "https://github.com/blockpy-edu/BlockMirror#readme",
+  "dependencies": {
+    "codemirror": "^5.48.0"
+  }
 }