diff --git a/package-lock.json b/package-lock.json
index 5ebf323..a23a941 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "codice-fiscale-js",
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+  "version": "2.3.9",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -4129,15 +4129,42 @@
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-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.13.0.tgz",
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+      "version": "4.16.6",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
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       "dev": true,
       "requires": {
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-        "electron-to-chromium": "^1.3.488",
-        "escalade": "^3.0.1",
-        "node-releases": "^1.1.58"
+        "caniuse-lite": "^1.0.30001219",
+        "colorette": "^1.2.2",
+        "electron-to-chromium": "^1.3.723",
+        "escalade": "^3.1.1",
+        "node-releases": "^1.1.71"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz",
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+          "dev": true
+        },
+        "electron-to-chromium": {
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+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.736.tgz",
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+          "dev": true
+        },
+        "escalade": {
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+          "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+          "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+          "dev": true
+        },
+        "node-releases": {
+          "version": "1.1.72",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
+          "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+          "dev": true
+        }
       }
     },
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@@ -4269,12 +4296,6 @@
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       "dev": true
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-    "caniuse-lite": {
-      "version": "1.0.30001100",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001100.tgz",
-      "integrity": "sha512-0eYdp1+wFCnMlCj2oudciuQn2B9xAFq3WpgpcBIZTxk/1HNA/O2YA7rpeYhnOqsqAJq1AHUgx6i1jtafg7m2zA==",
-      "dev": true
-    },
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@@ -4473,6 +4494,12 @@
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       "dev": true
     },
+    "colorette": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -4930,12 +4957,6 @@
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-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.498.tgz",
-      "integrity": "sha512-W1hGwaQEU8j9su2jeAr3aabkPuuXw+j8t73eajGAkEJWbfWiwbxBwQN/8Qmv2qCy3uCDm2rOAaZneYQM8VGC4w==",
-      "dev": true
-    },
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       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
@@ -5046,12 +5067,6 @@
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       }
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-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.0.2.tgz",
-      "integrity": "sha512-gPYAU37hYCUhW5euPeR+Y74F7BL+IBsV93j5cvGriSaD1aG6MGsqsV1yamRdrWrb2j3aiZvb0X+UBOWpx3JWtQ==",
-      "dev": true
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@@ -7845,12 +7860,6 @@
         "which": "^1.3.0"
       }
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-    "node-releases": {
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-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.59.tgz",
-      "integrity": "sha512-H3JrdUczbdiwxN5FuJPyCHnGHIFqQ0wWxo+9j1kAXAzqNMAHlo+4I/sYYxpyK0irQ73HgdiyzD32oqQDcU2Osw==",
-      "dev": true
-    },
     "normalize-package-data": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",