diff --git a/tools/scripts/keyboard-abnf-tests/package-lock.json b/tools/scripts/keyboard-abnf-tests/package-lock.json
index 3bf67100a4b..69d11c367d6 100644
--- a/tools/scripts/keyboard-abnf-tests/package-lock.json
+++ b/tools/scripts/keyboard-abnf-tests/package-lock.json
@@ -11,18 +11,19 @@
       "dependencies": {
         "abnf": "^4.3.1",
         "fast-xml-parser": "^5.0.9",
-        "peggy": "^4.2.0"
+        "peggy": "^5.0.6"
       }
     },
     "node_modules/@peggyjs/from-mem": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/@peggyjs/from-mem/-/from-mem-1.3.5.tgz",
-      "integrity": "sha512-oRyzXE7nirAn+5yYjCdWQHg3EG2XXcYRoYNOK8Quqnmm+9FyK/2YWVunwudlYl++M3xY+gIAdf0vAYS+p0nKfQ==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/@peggyjs/from-mem/-/from-mem-3.1.1.tgz",
+      "integrity": "sha512-m5OEjgJaePWpyNtQCvRZkpLoV+z44eh6QIO9yEwQuOThdUdkECO3wcKLT3tFA3H8WM5bxU/K/dpmo7r/X16UEw==",
+      "license": "MIT",
       "dependencies": {
-        "semver": "7.6.3"
+        "semver": "7.7.2"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20.8"
       }
     },
     "node_modules/abnf": {
@@ -43,6 +44,65 @@
         "node": ">=18"
       }
     },
+    "node_modules/abnf/node_modules/@peggyjs/from-mem": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/@peggyjs/from-mem/-/from-mem-1.3.5.tgz",
+      "integrity": "sha512-oRyzXE7nirAn+5yYjCdWQHg3EG2XXcYRoYNOK8Quqnmm+9FyK/2YWVunwudlYl++M3xY+gIAdf0vAYS+p0nKfQ==",
+      "license": "MIT",
+      "dependencies": {
+        "semver": "7.6.3"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/abnf/node_modules/peggy": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/peggy/-/peggy-4.2.0.tgz",
+      "integrity": "sha512-ZjzyJYY8NqW8JOZr2PbS/J0UH/hnfGALxSDsBUVQg5Y/I+ZaPuGeBJ7EclUX2RvWjhlsi4pnuL1C/K/3u+cDeg==",
+      "license": "MIT",
+      "dependencies": {
+        "@peggyjs/from-mem": "1.3.5",
+        "commander": "^12.1.0",
+        "source-map-generator": "0.8.0"
+      },
+      "bin": {
+        "peggy": "bin/peggy.js"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/abnf/node_modules/peggy/node_modules/commander": {
+      "version": "12.1.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-12.1.0.tgz",
+      "integrity": "sha512-Vw8qHK3bZM9y/P10u3Vib8o/DdkvA2OtPtZvD871QKjy74Wj1WSKFILMPRPSdUSx5RFK1arlJzEtA4PkFgnbuA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/abnf/node_modules/semver": {
+      "version": "7.6.3",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.3.tgz",
+      "integrity": "sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==",
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/abnf/node_modules/source-map-generator": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/source-map-generator/-/source-map-generator-0.8.0.tgz",
+      "integrity": "sha512-psgxdGMwl5MZM9S3FWee4EgsEaIjahYV5AzGnwUvPhWeITz/j6rKpysQHlQ4USdxvINlb8lKfWGIXwfkrgtqkA==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">= 10"
+      }
+    },
     "node_modules/commander": {
       "version": "13.0.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-13.0.0.tgz",
@@ -70,33 +130,36 @@
       }
     },
     "node_modules/peggy": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/peggy/-/peggy-4.2.0.tgz",
-      "integrity": "sha512-ZjzyJYY8NqW8JOZr2PbS/J0UH/hnfGALxSDsBUVQg5Y/I+ZaPuGeBJ7EclUX2RvWjhlsi4pnuL1C/K/3u+cDeg==",
+      "version": "5.0.6",
+      "resolved": "https://registry.npmjs.org/peggy/-/peggy-5.0.6.tgz",
+      "integrity": "sha512-Sud8Zus0JAgE+U4zwkJv29OOaXhviFI7J90/6cGfy3OoqR8dpnieeF9a46dj0bTtqiFnrFatldA6ltQyOJvNmg==",
+      "license": "MIT",
       "dependencies": {
-        "@peggyjs/from-mem": "1.3.5",
-        "commander": "^12.1.0",
-        "source-map-generator": "0.8.0"
+        "@peggyjs/from-mem": "3.1.1",
+        "commander": "^14.0.0",
+        "source-map-generator": "2.0.2"
       },
       "bin": {
         "peggy": "bin/peggy.js"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       }
     },
     "node_modules/peggy/node_modules/commander": {
-      "version": "12.1.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-12.1.0.tgz",
-      "integrity": "sha512-Vw8qHK3bZM9y/P10u3Vib8o/DdkvA2OtPtZvD871QKjy74Wj1WSKFILMPRPSdUSx5RFK1arlJzEtA4PkFgnbuA==",
+      "version": "14.0.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-14.0.0.tgz",
+      "integrity": "sha512-2uM9rYjPvyq39NwLRqaiLtWHyDC1FvryJDa2ATTVims5YAS4PupsEQsDvP14FqhFr0P49CYDugi59xaxJlTXRA==",
+      "license": "MIT",
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       }
     },
     "node_modules/semver": {
-      "version": "7.6.3",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.3.tgz",
-      "integrity": "sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==",
+      "version": "7.7.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.2.tgz",
+      "integrity": "sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==",
+      "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"
       },
@@ -105,11 +168,12 @@
       }
     },
     "node_modules/source-map-generator": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/source-map-generator/-/source-map-generator-0.8.0.tgz",
-      "integrity": "sha512-psgxdGMwl5MZM9S3FWee4EgsEaIjahYV5AzGnwUvPhWeITz/j6rKpysQHlQ4USdxvINlb8lKfWGIXwfkrgtqkA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-generator/-/source-map-generator-2.0.2.tgz",
+      "integrity": "sha512-unCl5BQhF/us51DiT7SvlSY3QUPhyfAdHJxd8l7FXdwzqxli0UDMV2dEuei2SeGp3Z4rB/AJ9zKi1mGOp2K2ww==",
+      "license": "BSD-3-Clause",
       "engines": {
-        "node": ">= 10"
+        "node": ">=20"
       }
     },
     "node_modules/strnum": {
diff --git a/tools/scripts/keyboard-abnf-tests/package.json b/tools/scripts/keyboard-abnf-tests/package.json
index 8254c9f72dd..cd6edf985b0 100644
--- a/tools/scripts/keyboard-abnf-tests/package.json
+++ b/tools/scripts/keyboard-abnf-tests/package.json
@@ -13,6 +13,6 @@
   "dependencies": {
     "abnf": "^4.3.1",
     "fast-xml-parser": "^5.0.9",
-    "peggy": "^4.2.0"
+    "peggy": "^5.0.6"
   }
 }