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 e0464ce..93314c0 100644
--- a/bower.json
+++ b/bower.json
@@ -15,12 +15,12 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-prelude": "^4.0.0",
-    "purescript-effect": "^2.0.0",
-    "purescript-nullable": "^4.0.0",
-    "purescript-arraybuffer-types": "^2.0.0",
-    "purescript-tuples": "^5.0.0",
-    "purescript-web-promise": "https://github.com/purescript-web/purescript-web-promise.git#^1.0.0",
-    "purescript-exceptions": "^4.0.0"
+    "purescript-prelude": "master",
+    "purescript-effect": "master",
+    "purescript-nullable": "main",
+    "purescript-arraybuffer-types": "main",
+    "purescript-tuples": "master",
+    "purescript-web-promise": "https://github.com/purescript-web/purescript-web-promise.git#master",
+    "purescript-exceptions": "master"
   }
 }