diff --git a/.mega-linter.yaml b/.mega-linter.yaml
index e3bbe32f..6a86d5eb 100644
--- a/.mega-linter.yaml
+++ b/.mega-linter.yaml
@@ -1,7 +1,7 @@
 EXTENDS: https://raw.githubusercontent.com/ScribeMD/.github/0.14.2/.github/base.mega-linter.yaml
-JAVASCRIPT_ES_CLI_EXECUTABLE: [node, .yarn/releases/yarn-3.6.4.cjs, run, eslint]
+JAVASCRIPT_ES_CLI_EXECUTABLE: [node, .yarn/releases/yarn-4.0.2.cjs, run, eslint]
 # Work around https://github.com/oxsecurity/megalinter/issues/2500.
 SPELL_CSPELL_PRE_COMMANDS:
   - command: npm install @cspell/dict-win32@2.0.2
     continue_if_failed: false
-TYPESCRIPT_ES_CLI_EXECUTABLE: [node, .yarn/releases/yarn-3.6.4.cjs, run, eslint]
+TYPESCRIPT_ES_CLI_EXECUTABLE: [node, .yarn/releases/yarn-4.0.2.cjs, run, eslint]
diff --git a/package.json b/package.json
index 34619520..50c0c5f9 100644
--- a/package.json
+++ b/package.json
@@ -17,9 +17,9 @@
   },
   "engines": {
     "node": "20.9.0",
-    "yarn": "3.6.4"
+    "yarn": "4.0.2"
   },
-  "packageManager": "yarn@3.6.4",
+  "packageManager": "yarn@4.0.2",
   "dependencies": {
     "@actions/cache": "3.2.2",
     "@actions/core": "1.10.1"
@@ -37,7 +37,7 @@
     "@typescript-eslint/eslint-plugin": "6.13.1",
     "@typescript-eslint/parser": "6.13.1",
     "@vercel/ncc": "0.38.0",
-    "@yarnpkg/sdks": "2.7.1",
+    "@yarnpkg/sdks": "3.1.0",
     "eslint": "8.54.0",
     "eslint-config-prettier": "9.0.0",
     "fast-check": "3.14.0",