diff --git a/tools/scripts/keyboard-abnf-tests/package-lock.json b/tools/scripts/keyboard-abnf-tests/package-lock.json
index 3bf67100a4b..ac366858e0e 100644
--- a/tools/scripts/keyboard-abnf-tests/package-lock.json
+++ b/tools/scripts/keyboard-abnf-tests/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "Unicode-3.0",
       "dependencies": {
-        "abnf": "^4.3.1",
+        "abnf": "^5.0.0",
         "fast-xml-parser": "^5.0.9",
         "peggy": "^4.2.0"
       }
@@ -26,12 +26,13 @@
       }
     },
     "node_modules/abnf": {
-      "version": "4.3.1",
-      "resolved": "https://registry.npmjs.org/abnf/-/abnf-4.3.1.tgz",
-      "integrity": "sha512-j4A8wWqKqkcSjx5xFESo9GtW2EUvlUZutcWB1knhxSP9kaXJ/YwL0g6dvMhHRjCPCNsIWwNGoKMHzPwemSpCvw==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/abnf/-/abnf-5.0.0.tgz",
+      "integrity": "sha512-IbfCNRDUPZtyRRJ7Vle+rZ7rh6OaMVb4qHE/dIR4s+STXjEw1rf++vodVcozyOGUUHelFAWpSbe0LODm1rrQwQ==",
+      "license": "Apache-2.0",
       "dependencies": {
-        "commander": "^13.0.0",
-        "peggy": "^4.2.0"
+        "commander": "^13.1.0",
+        "peggy": "^5.0.0"
       },
       "bin": {
         "abnf_ast": "bin/abnf_ast.js",
@@ -40,13 +41,73 @@
         "abnf_test": "bin/abnf_test.js"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
+      }
+    },
+    "node_modules/abnf/node_modules/@peggyjs/from-mem": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@peggyjs/from-mem/-/from-mem-2.0.0.tgz",
+      "integrity": "sha512-f+pL/s2DiT+2dxwheSoJT0P/KJy/s0klzE+ZqRdXHlkeyFk/DpKtyjLZIiA79kx56g3oEPA8Zu9EzEKzAwuvhw==",
+      "license": "MIT",
+      "dependencies": {
+        "semver": "7.7.1"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/abnf/node_modules/peggy": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/peggy/-/peggy-5.0.3.tgz",
+      "integrity": "sha512-QErYmLjj/ehiNNJRqx2qb36hzkanuascpMqREs2RQqaXhU3cflIRScP/u2BoobIfu/FaeI3GGxNB/vFX/Ar9lg==",
+      "license": "MIT",
+      "dependencies": {
+        "@peggyjs/from-mem": "2.0.0",
+        "commander": "^14.0.0",
+        "source-map-generator": "2.0.0"
+      },
+      "bin": {
+        "peggy": "bin/peggy.js"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/abnf/node_modules/peggy/node_modules/commander": {
+      "version": "14.0.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-14.0.0.tgz",
+      "integrity": "sha512-2uM9rYjPvyq39NwLRqaiLtWHyDC1FvryJDa2ATTVims5YAS4PupsEQsDvP14FqhFr0P49CYDugi59xaxJlTXRA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/abnf/node_modules/semver": {
+      "version": "7.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
+      "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/abnf/node_modules/source-map-generator": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/source-map-generator/-/source-map-generator-2.0.0.tgz",
+      "integrity": "sha512-4KomB7QsJti7dFBAVF6SXHzuCNQauk4gE2CummcqPzl+eJqXz1CkkiBdVXXW3g8VGh23bxcdEVACOzrxpIqnUg==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/commander": {
-      "version": "13.0.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-13.0.0.tgz",
-      "integrity": "sha512-oPYleIY8wmTVzkvQq10AEok6YcTC4sRUBl8F9gVuwchGVUCTbl/vhLTaQqutuuySYOsu8YTgV+OxKc/8Yvx+mQ==",
+      "version": "13.1.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-13.1.0.tgz",
+      "integrity": "sha512-/rFeCpNJQbhSZjGVwO9RFV3xPqbnERS8MmIQzCtD/zl6gpJuV/bMLuN92oG3F7d8oDEHHRrujSXNUr8fpjntKw==",
+      "license": "MIT",
       "engines": {
         "node": ">=18"
       }
diff --git a/tools/scripts/keyboard-abnf-tests/package.json b/tools/scripts/keyboard-abnf-tests/package.json
index 8254c9f72dd..c91a2512b96 100644
--- a/tools/scripts/keyboard-abnf-tests/package.json
+++ b/tools/scripts/keyboard-abnf-tests/package.json
@@ -11,7 +11,7 @@
   "description": "Tests for the keyboard ABNF",
   "private": true,
   "dependencies": {
-    "abnf": "^4.3.1",
+    "abnf": "^5.0.0",
     "fast-xml-parser": "^5.0.9",
     "peggy": "^4.2.0"
   }