diff --git a/package.json b/package.json
index 5fbc8353..e1f78151 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   },
   "dependencies": {
     "@ampproject/remapping": "0.2.0",
-    "acorn": "7.3.1",
+    "acorn": "7.4.1",
     "acorn-walk": "7.1.1",
     "estree-walker": "2.0.1",
     "google-closure-compiler": "20210808.0.0",
diff --git a/yarn.lock b/yarn.lock
index bf52f3c0..37463cb5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -456,10 +456,10 @@ acorn-walk@7.1.1:
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-7.1.1.tgz#345f0dffad5c735e7373d2fec9a1023e6a44b83e"
   integrity sha512-wdlPY2tm/9XBr7QkKlq0WQVgiuGTX6YWPyRyBviSoScBuLfTVQhvwg6wJ369GJ/1nPfTLMfnrFIfjqVg6d+jQQ==
 
-acorn@7.3.1:
-  version "7.3.1"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.3.1.tgz#85010754db53c3fbaf3b9ea3e083aa5c5d147ffd"
-  integrity sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA==
+acorn@7.4.1:
+  version "7.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
+  integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
 agent-base@5:
   version "5.1.1"