diff --git a/eo2js-runtime/package-lock.json b/eo2js-runtime/package-lock.json
index 4b43771..f229a8a 100644
--- a/eo2js-runtime/package-lock.json
+++ b/eo2js-runtime/package-lock.json
@@ -9,7 +9,7 @@
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       "license": "MIT",
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-        "eslint": "8.45.0",
+        "eslint": "8.57.0",
         "eslint-config-google": "0.14.0",
         "grunt": "1.6.1",
         "grunt-contrib-clean": "2.0.1",
@@ -88,10 +88,11 @@
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+      "version": "8.57.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.57.0.tgz",
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       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
       }
@@ -186,6 +187,13 @@
         "node": ">= 8"
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+    "node_modules/@ungap/structured-clone": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@ungap/structured-clone/-/structured-clone-1.2.0.tgz",
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+      "dev": true,
+      "license": "ISC"
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       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -598,27 +606,29 @@
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-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.45.0.tgz",
-      "integrity": "sha512-pd8KSxiQpdYRfYa9Wufvdoct3ZPQQuVuU5O6scNgMuOMYuxvH0IGaYK0wUFjo4UYYQQCUndlXiMbnxopwvvTiw==",
+      "version": "8.57.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.57.0.tgz",
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+      "license": "MIT",
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-        "@eslint-community/regexpp": "^4.4.0",
-        "@eslint/eslintrc": "^2.1.0",
-        "@eslint/js": "8.44.0",
-        "@humanwhocodes/config-array": "^0.11.10",
+        "@eslint-community/regexpp": "^4.6.1",
+        "@eslint/eslintrc": "^2.1.4",
+        "@eslint/js": "8.57.0",
+        "@humanwhocodes/config-array": "^0.11.14",
         "@humanwhocodes/module-importer": "^1.0.1",
         "@nodelib/fs.walk": "^1.2.8",
-        "ajv": "^6.10.0",
+        "@ungap/structured-clone": "^1.2.0",
+        "ajv": "^6.12.4",
         "chalk": "^4.0.0",
         "cross-spawn": "^7.0.2",
         "debug": "^4.3.2",
         "doctrine": "^3.0.0",
         "escape-string-regexp": "^4.0.0",
-        "eslint-scope": "^7.2.0",
-        "eslint-visitor-keys": "^3.4.1",
-        "espree": "^9.6.0",
+        "eslint-scope": "^7.2.2",
+        "eslint-visitor-keys": "^3.4.3",
+        "espree": "^9.6.1",
         "esquery": "^1.4.2",
         "esutils": "^2.0.2",
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@@ -696,6 +706,7 @@
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+      "license": "MIT",
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         "concat-map": "0.0.1"
@@ -706,6 +717,7 @@
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+      "license": "ISC",
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       },
@@ -718,6 +730,7 @@
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       "dev": true,
+      "license": "ISC",
       "dependencies": {
         "brace-expansion": "^1.1.7"
       },
diff --git a/eo2js-runtime/package.json b/eo2js-runtime/package.json
index e838a15..d22eda0 100644
--- a/eo2js-runtime/package.json
+++ b/eo2js-runtime/package.json
@@ -10,7 +10,7 @@
     "test": "grunt"
   },
   "devDependencies": {
-    "eslint": "8.45.0",
+    "eslint": "8.57.0",
     "eslint-config-google": "0.14.0",
     "grunt": "1.6.1",
     "grunt-contrib-clean": "2.0.1",
diff --git a/eo2js/package-lock.json b/eo2js/package-lock.json
index a458252..f8e2b69 100644
--- a/eo2js/package-lock.json
+++ b/eo2js/package-lock.json
@@ -18,7 +18,7 @@
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       "devDependencies": {
         "eolang": "^0.18.0",
-        "eslint": "8.45.0",
+        "eslint": "8.57.0",
         "eslint-config-google": "0.14.0",
         "grunt": "^1.6.1",
         "grunt-contrib-clean": "2.0.1",
@@ -108,10 +108,11 @@
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     "node_modules/@eslint/js": {
-      "version": "8.44.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.44.0.tgz",
-      "integrity": "sha512-Ag+9YM4ocKQx9AarydN0KY2j0ErMHNIocPDrVo8zAE44xLTjEtz81OdR68/cydGtk6m6jDb5Za3r2useMzYmSw==",
+      "version": "8.57.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.57.0.tgz",
+      "integrity": "sha512-Ys+3g2TaW7gADOJzPt83SJtCDhMjndcDMFVQ/Tj9iA1BfJzFKD9mAUXT3OenpuPHbI6P/myECxRJrofUsDx/5g==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
       }
@@ -236,6 +237,13 @@
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       "dev": true
     },
+    "node_modules/@ungap/structured-clone": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@ungap/structured-clone/-/structured-clone-1.2.0.tgz",
+      "integrity": "sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==",
+      "dev": true,
+      "license": "ISC"
+    },
     "node_modules/abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -818,27 +826,29 @@
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     "node_modules/eslint": {
-      "version": "8.45.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.45.0.tgz",
-      "integrity": "sha512-pd8KSxiQpdYRfYa9Wufvdoct3ZPQQuVuU5O6scNgMuOMYuxvH0IGaYK0wUFjo4UYYQQCUndlXiMbnxopwvvTiw==",
+      "version": "8.57.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.57.0.tgz",
+      "integrity": "sha512-dZ6+mexnaTIbSBZWgou51U6OmzIhYM2VcNdtiTtI7qPNZm35Akpr0f6vtw3w1Kmn5PYo+tZVfh13WrhpS6oLqQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
-        "@eslint-community/regexpp": "^4.4.0",
-        "@eslint/eslintrc": "^2.1.0",
-        "@eslint/js": "8.44.0",
-        "@humanwhocodes/config-array": "^0.11.10",
+        "@eslint-community/regexpp": "^4.6.1",
+        "@eslint/eslintrc": "^2.1.4",
+        "@eslint/js": "8.57.0",
+        "@humanwhocodes/config-array": "^0.11.14",
         "@humanwhocodes/module-importer": "^1.0.1",
         "@nodelib/fs.walk": "^1.2.8",
-        "ajv": "^6.10.0",
+        "@ungap/structured-clone": "^1.2.0",
+        "ajv": "^6.12.4",
         "chalk": "^4.0.0",
         "cross-spawn": "^7.0.2",
         "debug": "^4.3.2",
         "doctrine": "^3.0.0",
         "escape-string-regexp": "^4.0.0",
-        "eslint-scope": "^7.2.0",
-        "eslint-visitor-keys": "^3.4.1",
-        "espree": "^9.6.0",
+        "eslint-scope": "^7.2.2",
+        "eslint-visitor-keys": "^3.4.3",
+        "espree": "^9.6.1",
         "esquery": "^1.4.2",
         "esutils": "^2.0.2",
         "fast-deep-equal": "^3.1.3",
@@ -916,6 +926,7 @@
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       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -926,6 +937,7 @@
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       "integrity": "sha512-XxwI8EOhVQgWp6iDL+3b0r86f4d6AX6zSU55HfB4ydCEuXLXc5FcYeOu+nnGftS4TEju/11rt4KJPTMgbfmv4A==",
       "dev": true,
+      "license": "ISC",
       "dependencies": {
         "is-glob": "^4.0.3"
       },
@@ -938,6 +950,7 @@
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
       "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dev": true,
+      "license": "ISC",
       "dependencies": {
         "brace-expansion": "^1.1.7"
       },
diff --git a/eo2js/package.json b/eo2js/package.json
index 17fd316..8ac5e76 100644
--- a/eo2js/package.json
+++ b/eo2js/package.json
@@ -26,7 +26,7 @@
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     "mocha": "^10.3.0",
     "xslt3": "^2.6.0",
-    "eslint": "8.45.0",
+    "eslint": "8.57.0",
     "eslint-config-google": "0.14.0",
     "grunt-contrib-clean": "2.0.1",
     "grunt-eslint": "24.3.0",