diff --git a/package.json b/package.json
index 3e8c9b8d..1c6abd4e 100644
--- a/package.json
+++ b/package.json
@@ -385,7 +385,7 @@
 		"glob": "^10.4.2",
 		"jsonc-eslint-parser": "^2.4.0",
 		"markdown-eslint-parser": "^1.2.1",
-		"memfs": "^4.47.0",
+		"memfs": "^4.49.0",
 		"nyc": "^17.1.0",
 		"prettier": "^3.5.3",
 		"ts-loader": "^9.5.1",
diff --git a/yarn.lock b/yarn.lock
index c8d1ff6a..47f44b96 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5672,10 +5672,10 @@ mdurl@^2.0.0:
   resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-2.0.0.tgz#80676ec0433025dd3e17ee983d0fe8de5a2237e0"
   integrity sha512-Lf+9+2r+Tdp5wXDXC4PcIBjTDtq4UKjCPMQhKIuzpJNW0b96kVqSwW0bT7FhRSfmAiFYgP+SCRvdrDozfh0U5w==
 
-memfs@^4.47.0:
-  version "4.47.0"
-  resolved "https://registry.yarnpkg.com/memfs/-/memfs-4.47.0.tgz#410291da6dcce89a0d6c9cab23b135231a5ed44c"
-  integrity sha512-Xey8IZA57tfotV/TN4d6BmccQuhFP+CqRiI7TTNdipZdZBzF2WnzUcH//Cudw6X4zJiUbo/LTuU/HPA/iC/pNg==
+memfs@^4.49.0:
+  version "4.49.0"
+  resolved "https://registry.yarnpkg.com/memfs/-/memfs-4.49.0.tgz#bc35069570d41a31c62e31f1a6ec6057a8ea82f0"
+  integrity sha512-L9uC9vGuc4xFybbdOpRLoOAOq1YEBBsocCs5NVW32DfU+CZWWIn3OVF+lB8Gp4ttBVSMazwrTrjv8ussX/e3VQ==
   dependencies:
     "@jsonjoy.com/json-pack" "^1.11.0"
     "@jsonjoy.com/util" "^1.9.0"