diff --git a/.changeset/large-kangaroos-build.md b/.changeset/large-kangaroos-build.md
new file mode 100644
index 00000000..1c91ad2c
--- /dev/null
+++ b/.changeset/large-kangaroos-build.md
@@ -0,0 +1,5 @@
+---
+"eslint-plugin-astro": major
+---
+
+feat!: use astro-eslint-parser v1
diff --git a/package.json b/package.json
index 43e6b6b1..313c231f 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "build:ts": "tsc --project ./tsconfig.build.json",
     "clean": "rimraf lib .nyc_output dist coverage",
     "test": "npm run mocha -- \"tests/src/**/*.ts\" --reporter dot --timeout 60000 && npm run test:type",
-    "test:type": "tsc",
+    "test:type": "tsc --noEmit",
     "cover": "nyc --reporter=lcov npm run test",
     "debug": "npm run mocha -- \"tests/src/**/*.ts\" --reporter dot --timeout 60000",
     "lint": "eslint .",
@@ -56,8 +56,8 @@
   "dependencies": {
     "@eslint-community/eslint-utils": "^4.2.0",
     "@jridgewell/sourcemap-codec": "^1.4.14",
-    "@typescript-eslint/types": "^5.25.0",
-    "astro-eslint-parser": "^0.17.0",
+    "@typescript-eslint/types": "^7.7.1",
+    "astro-eslint-parser": "^1.0.1",
     "eslint-compat-utils": "^0.5.0",
     "globals": "^13.0.0",
     "postcss": "^8.4.14",
@@ -86,8 +86,8 @@
     "@types/react": "^18.0.15",
     "@types/semver": "^7.3.9",
     "@types/stylus": "^0.48.38",
-    "@typescript-eslint/eslint-plugin": "^7.0.0",
-    "@typescript-eslint/parser": "^7.0.0",
+    "@typescript-eslint/eslint-plugin": "^7.7.1",
+    "@typescript-eslint/parser": "^7.7.1",
     "assert": "^2.0.0",
     "astro": "^4.5.0",
     "env-cmd": "^10.1.0",
diff --git a/src/rules/semi.ts b/src/rules/semi.ts
index 5965f0d6..096105e4 100644
--- a/src/rules/semi.ts
+++ b/src/rules/semi.ts
@@ -381,7 +381,7 @@ export default createRule("semi", {
     function checkForSemicolonForVariableDeclaration(
       node: TSESTree.VariableDeclaration,
     ) {
-      const parent = node.parent!
+      const parent = node.parent
 
       if (
         (parent.type !== "ForStatement" || parent.init !== node) &&
diff --git a/src/utils/ast-utils.ts b/src/utils/ast-utils.ts
index 5e7cf484..c26e5822 100644
--- a/src/utils/ast-utils.ts
+++ b/src/utils/ast-utils.ts
@@ -296,7 +296,7 @@ function getParentSyntaxParen(
     | TSESTree.PrivateIdentifier,
   sourceCode: SourceCode,
 ) {
-  const parent = node.parent!
+  const parent = node.parent
 
   switch (parent.type) {
     case "CallExpression":