diff --git a/desktop/flipper-ui-core/package.json b/desktop/flipper-ui-core/package.json
index 7096da55a..f7050e5e3 100644
--- a/desktop/flipper-ui-core/package.json
+++ b/desktop/flipper-ui-core/package.json
@@ -80,7 +80,7 @@
     "@types/lodash.memoize": "^4.1.6",
     "@types/split2": "^3.2.1",
     "flipper-test-utils": "0.0.0",
-    "mock-fs": "^5.0.0",
+    "mock-fs": "^5.1.2",
     "redux-mock-store": "^1.0.1",
     "ts-jest": "^26.5.6"
   },
diff --git a/desktop/pkg-lib/package.json b/desktop/pkg-lib/package.json
index 350205280..8f77d096f 100644
--- a/desktop/pkg-lib/package.json
+++ b/desktop/pkg-lib/package.json
@@ -24,7 +24,7 @@
     "flipper-test-utils": "0.0.0",
     "globby": "^12.0.2",
     "jest": "^26.6.3",
-    "mock-fs": "^5.0.0",
+    "mock-fs": "^5.1.2",
     "prettier": "^2.4.1",
     "rimraf": "^3.0.2",
     "ts-jest": "^26.5.6",
diff --git a/desktop/plugin-lib/package.json b/desktop/plugin-lib/package.json
index c73ff408b..7e4ece2bd 100644
--- a/desktop/plugin-lib/package.json
+++ b/desktop/plugin-lib/package.json
@@ -28,7 +28,7 @@
     "@types/node": "^15.12.5",
     "flipper-test-utils": "0.0.0",
     "jest": "^26.6.3",
-    "mock-fs": "^5.0.0",
+    "mock-fs": "^5.1.2",
     "rimraf": "^3.0.2",
     "ts-jest": "^26.5.6",
     "typescript": "^4.4.4"
diff --git a/desktop/yarn.lock b/desktop/yarn.lock
index a1eb159a8..2a2e1f85f 100644
--- a/desktop/yarn.lock
+++ b/desktop/yarn.lock
@@ -9714,10 +9714,10 @@ mkdirp@^0.5.1, mkdirp@^0.5.4:
   dependencies:
     minimist "^1.2.5"
 
-mock-fs@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/mock-fs/-/mock-fs-5.0.0.tgz#5574520ac824c01a10091bf951c66f677c71acaa"
-  integrity sha512-A5mm/SpSDwwc/klSaEvvKMGQQtiGiQy8UcDAd/vpVO1fV+4zaHjt39yKgCSErFzv2zYxZIUx9Ud/7ybeHBf8Fg==
+mock-fs@^5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/mock-fs/-/mock-fs-5.1.2.tgz#6fa486e06d00f8793a8d2228de980eff93ce6db7"
+  integrity sha512-YkjQkdLulFrz0vD4BfNQdQRVmgycXTV7ykuHMlyv+C8WCHazpkiQRDthwa02kSyo8wKnY9wRptHfQLgmf0eR+A==
 
 moment@^2.15.1, moment@^2.24.0, moment@^2.25.3:
   version "2.27.0"