diff --git a/package-lock.json b/package-lock.json
index 0fbaf07c..3325279c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,12 +16,12 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/utils": "^8.12.0",
+        "@typescript-eslint/utils": "^8.15.0",
         "eslint-plugin-eslint-comments": "^3.2.0",
         "eslint-plugin-import": "^2.31.0",
         "eslint-plugin-n": "^17.0.0",
         "eslint-plugin-promise": "^7.0.0",
-        "typescript-eslint": "^8.12.0"
+        "typescript-eslint": "^8.15.0"
       },
       "devDependencies": {
         "@commitlint/cli": "19.6.0",
@@ -50,7 +50,7 @@
         "semver": "7.6.3",
         "type-fest": "4.27.0",
         "typescript": "5.6.3",
-        "typescript-eslint_bottom": "npm:typescript-eslint@8.12.0"
+        "typescript-eslint_bottom": "npm:typescript-eslint@8.15.0"
       },
       "peerDependencies": {
         "eslint": "^9.0.0",
@@ -12862,75 +12862,15 @@
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-      "dev": true,
-      "license": "MIT",
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-    "node_modules/typescript-eslint_bottom/node_modules/@typescript-eslint/eslint-plugin": {
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-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.12.0.tgz",
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+      "version": "8.15.0",
+      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.15.0.tgz",
+      "integrity": "sha512-wY4FRGl0ZI+ZU4Jo/yjdBu0lVTSML58pu6PgGtJmCufvzfV565pUF6iACQt092uFOd49iLOTX/sEVmHtbSrS+w==",
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       "license": "MIT",
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-        "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "8.12.0",
-        "@typescript-eslint/type-utils": "8.12.0",
-        "@typescript-eslint/utils": "8.12.0",
-        "@typescript-eslint/visitor-keys": "8.12.0",
-        "graphemer": "^1.4.0",
-        "ignore": "^5.3.1",
-        "natural-compare": "^1.4.0",
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-        "eslint": "^8.57.0 || ^9.0.0"
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-      "peerDependenciesMeta": {
-        "typescript": {
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-        }
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-    },
-    "node_modules/typescript-eslint_bottom/node_modules/@typescript-eslint/parser": {
-      "version": "8.12.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.12.0.tgz",
-      "integrity": "sha512-7U20duDQWAOhCk2VtyY41Vor/CJjiEW063Zel9aoRXq89FQ/jr+0e0m3kxh9Sk5SFW9B1AblVIBtXd+1xQ1NWQ==",
-      "dev": true,
-      "license": "BSD-2-Clause",
-      "dependencies": {
-        "@typescript-eslint/scope-manager": "8.12.0",
-        "@typescript-eslint/types": "8.12.0",
-        "@typescript-eslint/typescript-estree": "8.12.0",
-        "@typescript-eslint/visitor-keys": "8.12.0",
-        "debug": "^4.3.4"
+        "@typescript-eslint/eslint-plugin": "8.15.0",
+        "@typescript-eslint/parser": "8.15.0",
+        "@typescript-eslint/utils": "8.15.0"
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@@ -12948,133 +12888,6 @@
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-      "dev": true,
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-      },
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-      }
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-        "eslint-visitor-keys": "^3.4.3"
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diff --git a/package.json b/package.json
index a01d4d17..1890158b 100644
--- a/package.json
+++ b/package.json
@@ -57,12 +57,12 @@
     "TypeScript"
   ],
   "dependencies": {
-    "@typescript-eslint/utils": "^8.12.0",
+    "@typescript-eslint/utils": "^8.15.0",
     "eslint-plugin-eslint-comments": "^3.2.0",
     "eslint-plugin-import": "^2.31.0",
     "eslint-plugin-n": "^17.0.0",
     "eslint-plugin-promise": "^7.0.0",
-    "typescript-eslint": "^8.12.0"
+    "typescript-eslint": "^8.15.0"
   },
   "peerDependencies": {
     "eslint": "^9.0.0",
@@ -95,6 +95,6 @@
     "semver": "7.6.3",
     "type-fest": "4.27.0",
     "typescript": "5.6.3",
-    "typescript-eslint_bottom": "npm:typescript-eslint@8.12.0"
+    "typescript-eslint_bottom": "npm:typescript-eslint@8.15.0"
   }
 }
diff --git a/src/plugin-usage/typescript-eslint.ts b/src/plugin-usage/typescript-eslint.ts
index f59f69fe..8d524321 100644
--- a/src/plugin-usage/typescript-eslint.ts
+++ b/src/plugin-usage/typescript-eslint.ts
@@ -177,6 +177,7 @@ const usage: PluginUsage = {
     'no-unsafe-function-type': ['error'],
     'no-unsafe-member-access': ['error'],
     'no-unsafe-return': ['error'],
+    'no-unsafe-type-assertion': ['error'],
     'no-unsafe-unary-minus': ['error'],
     'no-unused-expressions': [
       'error',
diff --git a/src/test/_expected-exported-value.ts b/src/test/_expected-exported-value.ts
index 73146a78..2f95450c 100644
--- a/src/test/_expected-exported-value.ts
+++ b/src/test/_expected-exported-value.ts
@@ -356,6 +356,7 @@ export const expectedTseslintRules: Record<
   '@typescript-eslint/no-unsafe-function-type': ['error'],
   '@typescript-eslint/no-unsafe-member-access': ['error'],
   '@typescript-eslint/no-unsafe-return': ['error'],
+  '@typescript-eslint/no-unsafe-type-assertion': ['error'],
   '@typescript-eslint/no-unsafe-unary-minus': ['error'],
   '@typescript-eslint/no-unused-expressions': [
     'error',
diff --git a/src/test/_rules_to_consider.ts b/src/test/_rules_to_consider.ts
index ff0a2c81..e492ddce 100644
--- a/src/test/_rules_to_consider.ts
+++ b/src/test/_rules_to_consider.ts
@@ -186,7 +186,6 @@ export const rulesToConsider: Record<string, string[]> = {
     'promise/valid-params',
   ],
   '@typescript-eslint': [
-    '@typescript-eslint/no-unsafe-type-assertion',
     '@typescript-eslint/related-getter-setter-pairs',
     '@typescript-eslint/require-await',
     '@typescript-eslint/use-unknown-in-catch-callback-variable',
diff --git a/src/test/rules.ts b/src/test/rules.ts
index 5bcba084..d4dee2b5 100644
--- a/src/test/rules.ts
+++ b/src/test/rules.ts
@@ -48,6 +48,7 @@ const knownRules = new Map([
 
 const deprecatedKnownRules = [...knownRules.entries()]
   .filter(([_name, rule_]) => {
+    if (typeof rule_ !== 'object' || rule_ === null) throw new Error()
     const rule = rule_ as { meta?: { deprecated?: boolean } }
     const { meta } = rule
     if (meta === undefined) return false