diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 07cee8d..ac99bf2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,8 @@ jobs:
 
       - name: Set up a PureScript toolchain
         uses: purescript-contrib/setup-purescript@main
+        with:
+          purescript: "0.14.0-rc3"
 
       - name: Cache PureScript dependencies
         uses: actions/cache@v2
diff --git a/packages.dhall b/packages.dhall
index 1f2cd01..0b48286 100644
--- a/packages.dhall
+++ b/packages.dhall
@@ -1,4 +1,4 @@
 let upstream =
-      https://github.com/purescript/package-sets/releases/download/psc-0.13.8-20200911-2/packages.dhall sha256:872c06349ed9c8210be43982dc6466c2ca7c5c441129826bcb9bf3672938f16e
+      https://raw.githubusercontent.com/purescript/package-sets/prepare-0.14/src/packages.dhall sha256:f9b49a477fcd822a7119413b689123f8e1694b0008c156971f1931751079a56f
 
 in  upstream