diff --git a/package-lock.json b/package-lock.json
index 67a5b34f..ebba4135 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1105,9 +1105,9 @@
       }
     },
     "node_modules/@unicode/unicode-15.0.0": {
-      "version": "1.6.17",
-      "resolved": "https://registry.npmjs.org/@unicode/unicode-15.0.0/-/unicode-15.0.0-1.6.17.tgz",
-      "integrity": "sha512-sVPtqhNRrf7cbyEtU1H7y4JHAa5rIP+JNnicVtypjDBAh/THgfR4nvga9ZE5OeUHBzsBtKrLEOvyks9dx21rMQ==",
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/@unicode/unicode-15.0.0/-/unicode-15.0.0-2.0.7.tgz",
+      "integrity": "sha512-8d0z/dm7Gk7z9UrSlmFeT80i/V+eoBqG5kIO/PSKyqGJ0OKJlZlM7bACtWQaBD8ylGqbNFBX3DOGMj4+ExGMOA==",
       "dev": true,
       "license": "MIT"
     },
@@ -2086,7 +2086,7 @@
       "version": "0.6.1",
       "license": "MIT",
       "devDependencies": {
-        "@unicode/unicode-15.0.0": "^1.6.17",
+        "@unicode/unicode-15.0.0": "^2.0.7",
         "@unicode/unicode-16.0.0": "^1.6.17",
         "unicode-property-value-aliases": "^3.9.0"
       }
diff --git a/packages/re2/package.json b/packages/re2/package.json
index b0c71a4a..e2eaab61 100644
--- a/packages/re2/package.json
+++ b/packages/re2/package.json
@@ -42,7 +42,7 @@
     }
   },
   "devDependencies": {
-    "@unicode/unicode-15.0.0": "^1.6.17",
+    "@unicode/unicode-15.0.0": "^2.0.7",
     "@unicode/unicode-16.0.0": "^1.6.17",
     "unicode-property-value-aliases": "^3.9.0"
   }
diff --git a/packages/re2/scripts/genUnicodeTable.js b/packages/re2/scripts/genUnicodeTable.js
index a4aa9c8a..7ede4196 100644
--- a/packages/re2/scripts/genUnicodeTable.js
+++ b/packages/re2/scripts/genUnicodeTable.js
@@ -1,8 +1,8 @@
 import { CodepointRange } from "./codepointRange.js";
 import unicode16 from "@unicode/unicode-16.0.0";
 // Imported for its side effect of being a declared devDependency.
-// loadCodePoints() below dynamically imports `@unicode/unicode-15.0.0/<prop>/<name>/code-points.js`
-// paths, and requires the package to be installed.
+// loadCodePoints() below dynamically imports the Unicode 15 package's .mjs
+// modules, and requires the package to be installed.
 import "@unicode/unicode-15.0.0";
 import CommonCaseFolding from "@unicode/unicode-16.0.0/Case_Folding/C/code-points.js";
 import SimpleCaseFolding from "@unicode/unicode-16.0.0/Case_Folding/S/code-points.js";
@@ -91,8 +91,9 @@ const reducedOrbit = buildReducedOrbit();
 
 const loadCodePoints = async (pkg, type, name) => {
   try {
+    const extension = pkg === "@unicode/unicode-15.0.0" ? "mjs" : "js";
     const { default: codePoints } = await import(
-      `${pkg}/${type}/${name}/code-points.js`
+      `${pkg}/${type}/${name}/code-points.${extension}`
     );
     return new Set(codePoints);
   } catch (_e) {
diff --git a/packages/re2/src/UnicodeTableContents.test.ts b/packages/re2/src/UnicodeTableContents.test.ts
index d76a97aa..d20621c0 100644
--- a/packages/re2/src/UnicodeTableContents.test.ts
+++ b/packages/re2/src/UnicodeTableContents.test.ts
@@ -41,8 +41,9 @@ const loadCodePoints = async (
   longName: string,
 ): Promise<Set<number> | null> => {
   try {
+    const extension = pkg === "@unicode/unicode-15.0.0" ? "mjs" : "js";
     const mod = (await import(
-      `${pkg}/${property}/${longName}/code-points.js`
+      `${pkg}/${property}/${longName}/code-points.${extension}`
     )) as { default: number[] };
     return new Set<number>(mod.default);
   } catch {