diff --git a/.changeset/json5-and-yaml-config.md b/.changeset/json5-and-yaml-config.md
index fd0355f10d7..cb9a6e50611 100644
--- a/.changeset/json5-and-yaml-config.md
+++ b/.changeset/json5-and-yaml-config.md
@@ -2,4 +2,4 @@
 "webpack-cli": minor
 ---
 
-feat: support `.json5`, `.yaml`/`.yml` and `.toml` configuration files by parsing them directly, with the parser package (`json5`, `js-yaml`, `toml`) installed on demand by the user
+feat: support `.json5`, `.yaml`/`.yml` and `.toml` configuration files by parsing them directly, with the parser package (`json5`, `js-yaml`, `toml`) installed on demand by the user and declared as optional `peerDependencies` so the parsers resolve correctly under Yarn PnP
diff --git a/packages/webpack-cli/package.json b/packages/webpack-cli/package.json
index da325c79931..7182330efe0 100644
--- a/packages/webpack-cli/package.json
+++ b/packages/webpack-cli/package.json
@@ -44,11 +44,23 @@
     "@types/envinfo": "^7.8.4"
   },
   "peerDependencies": {
+    "js-yaml": "^4.0.0 || ^5.0.0",
+    "json5": "^2.2.3",
+    "toml": "^3.0.0 || ^4.0.0",
     "webpack": "^5.101.0",
     "webpack-bundle-analyzer": "^4.0.0 || ^5.0.0",
     "webpack-dev-server": "^5.0.0"
   },
   "peerDependenciesMeta": {
+    "js-yaml": {
+      "optional": true
+    },
+    "json5": {
+      "optional": true
+    },
+    "toml": {
+      "optional": true
+    },
     "webpack-bundle-analyzer": {
       "optional": true
     },