diff --git a/packages/pwa-buildpack/package.json b/packages/pwa-buildpack/package.json
index 24dd5a6c69..45f48efd24 100644
--- a/packages/pwa-buildpack/package.json
+++ b/packages/pwa-buildpack/package.json
@@ -45,7 +45,7 @@
     "fs-extra": "~7.0.1",
     "gitignore-to-glob": "~0.3.0",
     "graphql-playground-middleware-express": "~1.7.18",
-    "hastily": "~0.4.9",
+    "hastily": "~0.5.0",
     "js-yaml": "~3.13.1",
     "jsdom": "~16.2.2",
     "klaw": "~3.0.0",
diff --git a/yarn.lock b/yarn.lock
index c5499edb45..6e58fb9455 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8687,10 +8687,10 @@ hast-util-parse-selector@^2.0.0:
   resolved "https://registry.yarnpkg.com/hast-util-parse-selector/-/hast-util-parse-selector-2.2.3.tgz#57edd449103900c7f63fd9e6f694ffd7e4634719"
   integrity sha512-nxbeqjQNxsvo/uYYAw9kij6td05YVUlf1qti09rVfbWSLT5H6wo3c+USIwX6nzXWk5kFZzXnEqO82856r0aM2Q==
 
-hastily@~0.4.9:
-  version "0.4.9"
-  resolved "https://registry.yarnpkg.com/hastily/-/hastily-0.4.9.tgz#e67af5b661a4d42990363bfba09ee29f3df670bf"
-  integrity sha512-14R92v0wjsXM4NM89xgsYELu1DmgVhwS4JT4giPtvvBBklj97uDnVNK2JcLL3albcNfwiecNEJhNykESsuc0qw==
+hastily@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/hastily/-/hastily-0.5.0.tgz#629583855ab9b082682249d978d278258b80dbad"
+  integrity sha512-y2zBaI3S0f2bfIPE9EO6f/BXe/y3poD11zYoHOMuPR9cswv1DKpSHGHiFnNb1wJMbd/hCEPv8Qn04Zjmh92GFw==
   dependencies:
     accepts "^1.3.7"
     debug "^4.1.1"