diff --git a/scripts/postinstall-bundled-plugins.mjs b/scripts/postinstall-bundled-plugins.mjs
index 864affc9b66..513e5bd5d5d 100644
--- a/scripts/postinstall-bundled-plugins.mjs
+++ b/scripts/postinstall-bundled-plugins.mjs
@@ -258,7 +258,14 @@ export function runBundledPluginPostinstall(params = {}) {
         existsSync: pathExists,
         platform: params.platform,
         comSpec: params.comSpec,
-        npmArgs: ["install", "--omit=dev", "--no-save", "--package-lock=false", ...missingSpecs],
+        npmArgs: [
+          "install",
+          "--omit=dev",
+          "--no-save",
+          "--package-lock=false",
+          "--legacy-peer-deps",
+          ...missingSpecs,
+        ],
       });
     const result = spawn(npmRunner.command, npmRunner.args, {
       cwd: packageRoot,
diff --git a/test/scripts/postinstall-bundled-plugins.test.ts b/test/scripts/postinstall-bundled-plugins.test.ts
index 520060959dc..6727987afa9 100644
--- a/test/scripts/postinstall-bundled-plugins.test.ts
+++ b/test/scripts/postinstall-bundled-plugins.test.ts
@@ -33,7 +33,14 @@ async function writePluginPackage(
 
 describe("bundled plugin postinstall", () => {
   function createNpmInstallArgs(...packages: string[]) {
-    return ["install", "--omit=dev", "--no-save", "--package-lock=false", ...packages];
+    return [
+      "install",
+      "--omit=dev",
+      "--no-save",
+      "--package-lock=false",
+      "--legacy-peer-deps",
+      ...packages,
+    ];
   }
 
   function createBareNpmRunner(packages: string[]) {