diff --git a/package-lock.json b/package-lock.json
index 18ce787b2..b237cd217 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,7 +41,7 @@
         "tar": "^7.4.3",
         "ts-node": "^10.9.2",
         "tsd": "^0.31.1",
-        "typescript": "^5.5.4",
+        "typescript": "^5.8.3",
         "typescript-cached-transpile": "0.0.6",
         "uuid": "^11.1.0"
       },
@@ -6407,9 +6407,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.7.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.2.tgz",
-      "integrity": "sha512-i5t66RHxDvVN40HfDd1PsEThGNnlMCMT3jMUuoh9/0TaqWevNontacunWyN02LA9/fIbEWlcHZcgTKb9QoaLfg==",
+      "version": "5.8.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
+      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 9ab2d6a2e..fb9c79851 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "tar": "^7.4.3",
     "ts-node": "^10.9.2",
     "tsd": "^0.31.1",
-    "typescript": "^5.5.4",
+    "typescript": "^5.8.3",
     "typescript-cached-transpile": "0.0.6",
     "uuid": "^11.1.0"
   },
diff --git a/src/parser/on_demand/parse_to_elements.ts b/src/parser/on_demand/parse_to_elements.ts
index f2c8e6972..cc5366aad 100644
--- a/src/parser/on_demand/parse_to_elements.ts
+++ b/src/parser/on_demand/parse_to_elements.ts
@@ -9,29 +9,31 @@ import { NumberUtils } from '../../utils/number_utils';
  * - `minKey` is set to 255 so unsigned comparisons succeed
  * - Modify with caution, double check the bundle contains literals
  */
-const enum BSONElementType {
-  double = 1,
-  string = 2,
-  object = 3,
-  array = 4,
-  binData = 5,
-  undefined = 6,
-  objectId = 7,
-  bool = 8,
-  date = 9,
-  null = 10,
-  regex = 11,
-  dbPointer = 12,
-  javascript = 13,
-  symbol = 14,
-  javascriptWithScope = 15,
-  int = 16,
-  timestamp = 17,
-  long = 18,
-  decimal = 19,
-  minKey = 255,
-  maxKey = 127
-}
+const BSONElementType = {
+  double: 1,
+  string: 2,
+  object: 3,
+  array: 4,
+  binData: 5,
+  undefined: 6,
+  objectId: 7,
+  bool: 8,
+  date: 9,
+  null: 10,
+  regex: 11,
+  dbPointer: 12,
+  javascript: 13,
+  symbol: 14,
+  javascriptWithScope: 15,
+  int: 16,
+  timestamp: 17,
+  long: 18,
+  decimal: 19,
+  minKey: 255,
+  maxKey: 127
+} as const;
+
+type BSONElementType = (typeof BSONElementType)[keyof typeof BSONElementType];
 
 /**
  * @public
diff --git a/test/bench/tsconfig.json b/test/bench/tsconfig.json
index c4bdf955d..135e0c096 100644
--- a/test/bench/tsconfig.json
+++ b/test/bench/tsconfig.json
@@ -8,6 +8,7 @@
     "module": "commonjs",
     "moduleResolution": "node",
     "skipLibCheck": true,
+    "erasableSyntaxOnly": true,
     "lib": [
       "es2021"
     ],
diff --git a/test/bundling/webpack/package.json b/test/bundling/webpack/package.json
index 04111a252..43b861d47 100644
--- a/test/bundling/webpack/package.json
+++ b/test/bundling/webpack/package.json
@@ -13,6 +13,7 @@
     "watch": "webpack --watch"
   },
   "devDependencies": {
+    "@webpack-cli/generators": "^3.0.1",
     "ts-loader": "^9.5.2",
     "typescript": "^5.8.3",
     "webpack": "^5.99.7",
diff --git a/test/bundling/webpack/tsconfig.json b/test/bundling/webpack/tsconfig.json
index 31176e658..f885f037c 100644
--- a/test/bundling/webpack/tsconfig.json
+++ b/test/bundling/webpack/tsconfig.json
@@ -4,7 +4,8 @@
     "noImplicitAny": true,
     "module": "es6",
     "target": "es5",
-    "allowJs": true
+    "allowJs": true,
+    "erasableSyntaxOnly": true
   },
   "files": ["src/index.ts"]
 }
diff --git a/tsconfig.json b/tsconfig.json
index d11664fe5..2c98753d0 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,6 +8,7 @@
     "module": "commonjs",
     "moduleResolution": "node",
     "skipLibCheck": true,
+    "erasableSyntaxOnly": true,
     "lib": [
       "es2021",
       "ES2022.Error"