diff --git a/standalone-packages/codesandbox-browserfs/package.json b/standalone-packages/codesandbox-browserfs/package.json
index 93d8f7a3e32..bfe81eea54e 100644
--- a/standalone-packages/codesandbox-browserfs/package.json
+++ b/standalone-packages/codesandbox-browserfs/package.json
@@ -114,7 +114,7 @@
     "install-dependencies": "yarn"
   },
   "dependencies": {
-    "async": "~2.6.1",
+    "async": "~3.2.6",
     "events": "^3.0.0",
     "gitignore-parser": "^0.0.2",
     "pako": "~1.0.6"
diff --git a/standalone-packages/codesandbox-browserfs/yarn.lock b/standalone-packages/codesandbox-browserfs/yarn.lock
index 17841441637..921d10aefd8 100644
--- a/standalone-packages/codesandbox-browserfs/yarn.lock
+++ b/standalone-packages/codesandbox-browserfs/yarn.lock
@@ -693,13 +693,18 @@ async@1.x:
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
   integrity sha512-nSVgobk4rv61R9PUSDtYt7mPVB2olxNR5RWJcAsH676/ef11bUZwvu7+RGYrYauVdDPcO519v68wRhXQtxsV9w==
 
-async@^2.0.0, async@^2.5.0, async@^2.6.4, async@~2.6.1:
+async@^2.0.0, async@^2.5.0, async@^2.6.4:
   version "2.6.4"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
   integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
   dependencies:
     lodash "^4.17.14"
 
+async@~3.2.6:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.2.6.tgz#1b0728e14929d51b85b449b7f06e27c1145e38ce"
+  integrity sha512-htCUDlxyyCLMgaM3xXg0C0LW2xqfuQ6p05pCEIsXuyQ+a1koYKTuBMzRNwmybfLgvJDMd0r1LTn4+E0Ti6C2AA==
+
 atob@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"