diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 063845e..2e4c7a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,8 @@ jobs:
       - uses: actions/checkout@v2
 
       - uses: purescript-contrib/setup-purescript@main
+        with:
+          purescript: "0.14.0-rc3"
 
       - uses: actions/setup-node@v1
         with:
diff --git a/bower.json b/bower.json
index 962110e..8605597 100644
--- a/bower.json
+++ b/bower.json
@@ -13,16 +13,15 @@
     "url": "git://github.com/purescript-node/purescript-node-buffer"
   },
   "dependencies": {
-    "purescript-effect": "^2.0.0",
-    "purescript-maybe": "^4.0.0",
-    "purescript-arraybuffer-types": "^2.0.0",
-    "purescript-st": "^4.0.0",
-    "purescript-unsafe-coerce": "^4.0.0"
+    "purescript-effect": "master",
+    "purescript-maybe": "master",
+    "purescript-arraybuffer-types": "main",
+    "purescript-st": "master",
+    "purescript-unsafe-coerce": "master"
   },
   "devDependencies": {
-    "purescript-assert": "^4.0.0",
-    "purescript-console": "^4.1.0",
-    "purescript-foldable-traversable": "^4.0.0",
-    "purescript-proxy": "^3.0.0"
+    "purescript-assert": "master",
+    "purescript-console": "master",
+    "purescript-foldable-traversable": "master"
   }
 }
diff --git a/package.json b/package.json
index 4984fb1..20b50e9 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "scripts": {
     "clean": "rimraf output && rimraf .pulp-cache",
     "build": "eslint src && pulp build -- --censor-lib --strict",
-    "test": "pulp test"
+    "test": "pulp test -- --censor-lib --strict"
   },
   "devDependencies": {
     "eslint": "^7.15.0",
diff --git a/src/Node/Buffer/ST.purs b/src/Node/Buffer/ST.purs
index ab13182..fc84fec 100644
--- a/src/Node/Buffer/ST.purs
+++ b/src/Node/Buffer/ST.purs
@@ -5,7 +5,7 @@ module Node.Buffer.ST
 
 import Prelude
 
-import Control.Monad.ST (ST, kind Region)
+import Control.Monad.ST (ST, Region)
 import Control.Monad.ST as ST
 import Node.Buffer.Class (class MutableBuffer, unsafeFreeze)
 import Node.Buffer.Immutable (ImmutableBuffer)