diff --git a/package-lock.json b/package-lock.json
index 47ed37c2..741c66c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -48,7 +48,7 @@
         "mdast-util-from-markdown": "2.0.1",
         "mdast-util-heading-range": "4.0.0",
         "mdast-zone": "6.1.0",
-        "mock-fs": "5.3.0",
+        "mock-fs": "5.4.0",
         "npm-run-all2": "6.2.3",
         "publint": "0.2.11",
         "remark-cli": "12.0.1",
@@ -13100,9 +13100,9 @@
       }
     },
     "node_modules/mock-fs": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/mock-fs/-/mock-fs-5.3.0.tgz",
-      "integrity": "sha512-IMvz1X+RF7vf+ur7qUenXMR7/FSKSIqS3HqFHXcyNI7G0FbpFO8L5lfsUJhl+bhK1AiulVHWKUSxebWauPA+xQ==",
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/mock-fs/-/mock-fs-5.4.0.tgz",
+      "integrity": "sha512-3ROPnEMgBOkusBMYQUW2rnT3wZwsgfOKzJDLvx/TZ7FL1WmWvwSwn3j4aDR5fLDGtgcc1WF0Z1y0di7c9L4FKw==",
       "dev": true,
       "license": "MIT",
       "engines": {
diff --git a/package.json b/package.json
index 03b5215e..819a140b 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
     "mdast-util-from-markdown": "2.0.1",
     "mdast-util-heading-range": "4.0.0",
     "mdast-zone": "6.1.0",
-    "mock-fs": "5.3.0",
+    "mock-fs": "5.4.0",
     "npm-run-all2": "6.2.3",
     "publint": "0.2.11",
     "remark-cli": "12.0.1",