diff --git a/.changeset/twelve-islands-kneel.md b/.changeset/twelve-islands-kneel.md
new file mode 100644
index 0000000000..93bfc45d1c
--- /dev/null
+++ b/.changeset/twelve-islands-kneel.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes postcss bug with the 'from' property
diff --git a/packages/astro/package.json b/packages/astro/package.json
index 5de6c9a496..a2afb0c710 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -53,7 +53,7 @@
     "@babel/parser": "^7.13.15",
     "@babel/traverse": "^7.13.15",
     "@silvenon/remark-smartypants": "^1.0.0",
-    "@snowpack/plugin-postcss": "^1.4.2",
+    "@snowpack/plugin-postcss": "^1.4.3",
     "@snowpack/plugin-sass": "^1.4.0",
     "acorn": "^7.4.0",
     "astring": "^1.7.4",
diff --git a/packages/astro/test/helpers.js b/packages/astro/test/helpers.js
index 9638be2ec9..70941b1642 100644
--- a/packages/astro/test/helpers.js
+++ b/packages/astro/test/helpers.js
@@ -6,7 +6,7 @@ import { loadConfig } from '#astro/config';
 import execa from 'execa';
 import del from 'del';
 
-const MAX_STARTUP_TIME = 14000; // max time startup may take
+const MAX_STARTUP_TIME = 20000; // max time startup may take
 const MAX_TEST_TIME = 10000; // max time an individual test may take
 const MAX_SHUTDOWN_TIME = 3000; // max time shutdown() may take
 
diff --git a/yarn.lock b/yarn.lock
index 01bcb37f44..b532d39d7b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1311,10 +1311,10 @@
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.14.0.tgz#9fb3a3cf3132328151f353de4632e01e52102bea"
   integrity sha512-9NET910DNaIPngYnLLPeg+Ogzqsi9uM4mSboU5y6p8S5DzMTVEsJZrawi+BoDNUVBa2DhJqQYUFvMDfgU062LQ==
 
-"@snowpack/plugin-postcss@^1.4.2":
-  version "1.4.2"
-  resolved "https://registry.yarnpkg.com/@snowpack/plugin-postcss/-/plugin-postcss-1.4.2.tgz#c450afcf4f88862da82c5824eae9c4ec26b09540"
-  integrity sha512-4ba0ZSz9PyQ13kisQWqFe9NIxILeq1/AzW8DFKAu1w3H89rNg54uto259kPc4/s9ajB6eiccq7oQjwxZonRGag==
+"@snowpack/plugin-postcss@^1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@snowpack/plugin-postcss/-/plugin-postcss-1.4.3.tgz#09704923033bd710e50a466bfc0afc90c7cc59df"
+  integrity sha512-RJGYagse6Pi86Bqm8vPukhCwFVa92VIB81qP3PXPQ/ITQy5gVWDYi4oU+r1A6hsEZ9scUNZevfw6ISya+oiMNQ==
   dependencies:
     minimatch "^3.0.4"
     normalize-path "^3.0.0"