diff --git a/lib/options.js b/lib/options.js
index baf34f3..1481356 100644
--- a/lib/options.js
+++ b/lib/options.js
@@ -231,7 +231,7 @@ function getAstDefaultOptions() {
          * 2017 (same as 8), 2018 (same as 9), 2019 (same as 10),
          * 2020 (same as 11), or 2021 (same as 12) to use the year-based naming.
          */
-        ecmaVersion: 9,
+        ecmaVersion: 12,
 
         /** specify which type of script you're parsing ("script" or "module") */
         sourceType: 'module',
diff --git a/package.json b/package.json
index c2c386b..04a1eaf 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     },
     "homepage": "https://github.com/alexprey/sveltedoc-parser",
     "dependencies": {
-        "espree": "9.2.0",
+        "espree": "9.6.1",
         "eslint": "8.4.1",
         "htmlparser2-svelte": "4.1.0"
     },
diff --git a/yarn.lock b/yarn.lock
index 5b07f06..15e1bea 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -36,14 +36,20 @@
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/@ungap/promise-all-settled/-/promise-all-settled-1.1.2.tgz#aa58042711d6e3275dd37dc597e5d31e8c290a44"
 
-acorn-jsx@^5.3.1:
+acorn-jsx@^5.3.1, acorn-jsx@^5.3.2:
   version "5.3.2"
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.3.2.tgz#7ed5bb55908b3b2f1bc55c6af1653bada7f07937"
+  integrity sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==
 
 acorn@^8.6.0:
   version "8.6.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.6.0.tgz#e3692ba0eb1a0c83eaa4f37f5fa7368dd7142895"
 
+acorn@^8.9.0:
+  version "8.10.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.10.0.tgz#8be5b3907a67221a81ab23c7889c4c5526b62ec5"
+  integrity sha512-F0SAmZ8iUtS//m8DmCTA0jlh6TDKkHQyK6xc6V4KDTyZKA9dnvX9/3sRTVQrWm79glUAZbnmmNcdYwUIHWVybw==
+
 ajv@^6.10.0, ajv@^6.12.4:
   version "6.12.6"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
@@ -447,6 +453,11 @@ eslint-visitor-keys@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-3.1.0.tgz#eee4acea891814cda67a7d8812d9647dd0179af2"
 
+eslint-visitor-keys@^3.4.1:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-3.4.3.tgz#0cd72fe8550e3c2eae156a96a4dddcd1c8ac5800"
+  integrity sha512-wpc+LXeiyiisxPlEkUzU6svyS1frIO3Mgxj1fdy7Pm8Ygzguax2N3Fa/D/ag1WqbOprdI+uY6wMUl8/a2G+iag==
+
 eslint@8.4.1:
   version "8.4.1"
   resolved "https://registry.yarnpkg.com/eslint/-/eslint-8.4.1.tgz#d6531bbf3e598dffd7c0c7d35ec52a0b30fdfa2d"
@@ -490,7 +501,16 @@ eslint@8.4.1:
     text-table "^0.2.0"
     v8-compile-cache "^2.0.3"
 
-espree@9.2.0, espree@^9.2.0:
+espree@9.6.1:
+  version "9.6.1"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-9.6.1.tgz#a2a17b8e434690a5432f2f8018ce71d331a48c6f"
+  integrity sha512-oruZaFkjorTpF32kDSI5/75ViwGeZginGGy2NoOSg3Q9bnwlnmDm4HLnkl0RE3n+njDXR037aY1+x58Z/zFdwQ==
+  dependencies:
+    acorn "^8.9.0"
+    acorn-jsx "^5.3.2"
+    eslint-visitor-keys "^3.4.1"
+
+espree@^9.2.0:
   version "9.2.0"
   resolved "https://registry.yarnpkg.com/espree/-/espree-9.2.0.tgz#c50814e01611c2d0f8bd4daa83c369eabba80dbc"
   dependencies: