diff --git a/deps/acorn/acorn/CHANGELOG.md b/deps/acorn/acorn/CHANGELOG.md
index 6a0883a69c5790..12464cfdbeefdd 100644
--- a/deps/acorn/acorn/CHANGELOG.md
+++ b/deps/acorn/acorn/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 8.10.0 (2023-07-05)
+
+### New features
+
+Add a `checkPrivateFields` option that disables strict checking of private property use.
+
 ## 8.9.0 (2023-06-16)
 
 ### Bug fixes
diff --git a/deps/acorn/acorn/README.md b/deps/acorn/acorn/README.md
index bd267706f3fcea..b62d02bde1fbb0 100644
--- a/deps/acorn/acorn/README.md
+++ b/deps/acorn/acorn/README.md
@@ -109,6 +109,10 @@ required):
   characters `#!` (as in a shellscript), the first line will be
   treated as a comment. Defaults to true when `ecmaVersion` >= 2023.
 
+- **checkPrivateFields**: By default, the parser will verify that
+  private properties are only used in places where they are valid and
+  have been declared. Set this to false to turn such checks off.
+
 - **locations**: When `true`, each node has a `loc` object attached
   with `start` and `end` subobjects, each of which contains the
   one-based line and zero-based column numbers in `{line, column}`
diff --git a/deps/acorn/acorn/dist/acorn.d.ts b/deps/acorn/acorn/dist/acorn.d.ts
index 355d4e2ce76ea3..5b26741473db1a 100644
--- a/deps/acorn/acorn/dist/acorn.d.ts
+++ b/deps/acorn/acorn/dist/acorn.d.ts
@@ -11,7 +11,7 @@ declare namespace acorn {
     [Symbol.iterator](): Iterator<Token>
   }
 
-  type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 'latest'
+  type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 'latest'
 
   interface Options {
     ecmaVersion: ecmaVersion
diff --git a/deps/acorn/acorn/dist/acorn.js b/deps/acorn/acorn/dist/acorn.js
index 300c7430bcba6d..62e1aa63d0974f 100644
--- a/deps/acorn/acorn/dist/acorn.js
+++ b/deps/acorn/acorn/dist/acorn.js
@@ -372,6 +372,10 @@
     // allowed and treated as a line comment. Enabled by default when
     // `ecmaVersion` >= 2023.
     allowHashBang: false,
+    // By default, the parser will verify that private properties are
+    // only used in places where they are valid and have been declared.
+    // Set this to false to turn such checks off.
+    checkPrivateFields: true,
     // When `locations` is on, `loc` properties holding objects with
     // `start` and `end` properties in `{line, column}` form (with
     // line being 1-based and column 0-based) will be attached to the
@@ -1600,6 +1604,7 @@
     var ref = this.privateNameStack.pop();
     var declared = ref.declared;
     var used = ref.used;
+    if (!this.options.checkPrivateFields) { return }
     var len = this.privateNameStack.length;
     var parent = len === 0 ? null : this.privateNameStack[len - 1];
     for (var i = 0; i < used.length; ++i) {
@@ -2661,7 +2666,7 @@
       else { sawUnary = true; }
       expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
     } else if (!sawUnary && this.type === types$1.privateId) {
-      if (forInit || this.privateNameStack.length === 0) { this.unexpected(); }
+      if ((forInit || this.privateNameStack.length === 0) && this.options.checkPrivateFields) { this.unexpected(); }
       expr = this.parsePrivateIdent();
       // only could be private fields in 'in', such as #x in obj
       if (this.type !== types$1._in) { this.unexpected(); }
@@ -3504,10 +3509,12 @@
     this.finishNode(node, "PrivateIdentifier");
 
     // For validating existence
-    if (this.privateNameStack.length === 0) {
-      this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class"));
-    } else {
-      this.privateNameStack[this.privateNameStack.length - 1].used.push(node);
+    if (this.options.checkPrivateFields) {
+      if (this.privateNameStack.length === 0) {
+        this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class"));
+      } else {
+        this.privateNameStack[this.privateNameStack.length - 1].used.push(node);
+      }
     }
 
     return node
@@ -5907,7 +5914,7 @@
   // [walk]: util/walk.js
 
 
-  var version = "8.9.0";
+  var version = "8.10.0";
 
   Parser.acorn = {
     Parser: Parser,
diff --git a/deps/acorn/acorn/dist/acorn.mjs b/deps/acorn/acorn/dist/acorn.mjs
index 6f30642569f64b..119eff98d4ded6 100644
--- a/deps/acorn/acorn/dist/acorn.mjs
+++ b/deps/acorn/acorn/dist/acorn.mjs
@@ -366,6 +366,10 @@ var defaultOptions = {
   // allowed and treated as a line comment. Enabled by default when
   // `ecmaVersion` >= 2023.
   allowHashBang: false,
+  // By default, the parser will verify that private properties are
+  // only used in places where they are valid and have been declared.
+  // Set this to false to turn such checks off.
+  checkPrivateFields: true,
   // When `locations` is on, `loc` properties holding objects with
   // `start` and `end` properties in `{line, column}` form (with
   // line being 1-based and column 0-based) will be attached to the
@@ -1594,6 +1598,7 @@ pp$8.exitClassBody = function() {
   var ref = this.privateNameStack.pop();
   var declared = ref.declared;
   var used = ref.used;
+  if (!this.options.checkPrivateFields) { return }
   var len = this.privateNameStack.length;
   var parent = len === 0 ? null : this.privateNameStack[len - 1];
   for (var i = 0; i < used.length; ++i) {
@@ -2655,7 +2660,7 @@ pp$5.parseMaybeUnary = function(refDestructuringErrors, sawUnary, incDec, forIni
     else { sawUnary = true; }
     expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
   } else if (!sawUnary && this.type === types$1.privateId) {
-    if (forInit || this.privateNameStack.length === 0) { this.unexpected(); }
+    if ((forInit || this.privateNameStack.length === 0) && this.options.checkPrivateFields) { this.unexpected(); }
     expr = this.parsePrivateIdent();
     // only could be private fields in 'in', such as #x in obj
     if (this.type !== types$1._in) { this.unexpected(); }
@@ -3498,10 +3503,12 @@ pp$5.parsePrivateIdent = function() {
   this.finishNode(node, "PrivateIdentifier");
 
   // For validating existence
-  if (this.privateNameStack.length === 0) {
-    this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class"));
-  } else {
-    this.privateNameStack[this.privateNameStack.length - 1].used.push(node);
+  if (this.options.checkPrivateFields) {
+    if (this.privateNameStack.length === 0) {
+      this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class"));
+    } else {
+      this.privateNameStack[this.privateNameStack.length - 1].used.push(node);
+    }
   }
 
   return node
@@ -5901,7 +5908,7 @@ pp.readWord = function() {
 // [walk]: util/walk.js
 
 
-var version = "8.9.0";
+var version = "8.10.0";
 
 Parser.acorn = {
   Parser: Parser,
diff --git a/deps/acorn/acorn/package.json b/deps/acorn/acorn/package.json
index 3ff4041a85f497..4243aa3542deb3 100644
--- a/deps/acorn/acorn/package.json
+++ b/deps/acorn/acorn/package.json
@@ -16,7 +16,7 @@
     ],
     "./package.json": "./package.json"
   },
-  "version": "8.9.0",
+  "version": "8.10.0",
   "engines": {
     "node": ">=0.4.0"
   },
diff --git a/doc/contributing/maintaining/maintaining-dependencies.md b/doc/contributing/maintaining/maintaining-dependencies.md
index 53880b3bdeebd2..1379c73af49442 100644
--- a/doc/contributing/maintaining/maintaining-dependencies.md
+++ b/doc/contributing/maintaining/maintaining-dependencies.md
@@ -8,7 +8,7 @@ directories to create the Node.js binaries.
 All dependencies are located within the `deps` directory.
 This a list of all the dependencies:
 
-* [acorn 8.9.0][]
+* [acorn 8.10.0][]
 * [ada 2.5.0][]
 * [base64 0.5.0][]
 * [brotli 1.0.9][]
@@ -144,7 +144,7 @@ takes care of npm update, it is maintained by the npm team.
 
 ## Dependency list
 
-### acorn 8.9.0
+### acorn 8.10.0
 
 The [acorn](https://github.com/acornjs/acorn) dependency is a JavaScript parser.
 [acorn-walk](https://github.com/acornjs/acorn/tree/master/acorn-walk) is
@@ -318,7 +318,7 @@ dependency lossless data-compression library,
 it comes from the Chromium team's zlib fork which incorporated
 performance improvements not currently available in standard zlib.
 
-[acorn 8.9.0]: #acorn-890
+[acorn 8.10.0]: #acorn-8100
 [ada 2.5.0]: #ada-250
 [base64 0.5.0]: #base64-050
 [brotli 1.0.9]: #brotli-109
diff --git a/src/acorn_version.h b/src/acorn_version.h
index 05c9f3440a19c6..8c71b2ece5aa80 100644
--- a/src/acorn_version.h
+++ b/src/acorn_version.h
@@ -2,5 +2,5 @@
 // Refer to tools/update-acorn.sh
 #ifndef SRC_ACORN_VERSION_H_
 #define SRC_ACORN_VERSION_H_
-#define ACORN_VERSION "8.9.0"
+#define ACORN_VERSION "8.10.0"
 #endif  // SRC_ACORN_VERSION_H_