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 e98dd21..5ac6856 100644
--- a/bower.json
+++ b/bower.json
@@ -15,14 +15,14 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-prelude": "^4.0.0",
-    "purescript-effect": "^2.0.0",
-    "purescript-http-methods": "^4.0.0",
-    "purescript-typelevel-prelude": "^5.0.0",
-    "purescript-web-file": "^2.3.0",
-    "purescript-record": "^2.0.0",
-    "purescript-foreign-object": "^2.0.0",
-    "purescript-web-promise": "https://github.com/purescript-web/purescript-web-promise.git#^1.0.0",
-    "purescript-web-streams": "https://github.com/purescript-web/purescript-web-streams.git#^1.0.0"
+    "purescript-prelude": "master",
+    "purescript-effect": "master",
+    "purescript-http-methods": "main",
+    "purescript-typelevel-prelude": "master",
+    "purescript-web-file": "master",
+    "purescript-record": "master",
+    "purescript-foreign-object": "master",
+    "purescript-web-promise": "https://github.com/purescript-web/purescript-web-promise.git#master",
+    "purescript-web-streams": "https://github.com/purescript-web/purescript-web-streams.git#master"
   }
 }
diff --git a/src/Web/Fetch/Request.purs b/src/Web/Fetch/Request.purs
index db198dc..35ff325 100644
--- a/src/Web/Fetch/Request.purs
+++ b/src/Web/Fetch/Request.purs
@@ -22,17 +22,17 @@ import Data.HTTP.Method (Method(..))
 import Data.Maybe (Maybe(..))
 import Data.Newtype (un)
 import Data.Nullable (Nullable, toNullable)
-import Data.Symbol (class IsSymbol, SProxy(..))
+import Data.Symbol (class IsSymbol)
 import Data.Tuple (Tuple)
 import Effect (Effect)
 import Effect.Uncurried (EffectFn2, runEffectFn2)
 import Foreign.Object (Object)
 import Prim.Row as Row
-import Prim.RowList (kind RowList)
+import Prim.RowList (RowList)
 import Prim.RowList as RowList
 import Record (merge)
 import Record.Builder as Record
-import Type.Data.RowList (RLProxy(..))
+import Type.Proxy (Proxy(..))
 import Type.Row.Homogeneous (class Homogeneous)
 import Web.Fetch.Headers (Headers)
 import Web.Fetch.Headers as Headers
@@ -126,10 +126,10 @@ instance buildRequestOptionsRecord
      , Row.Nub r'' RequestOptions
      )
   => BuildRequestOptions { | r } where
-  buildRequestOptions r = merge (Record.build (convertOptions (RLProxy :: _ rl)) r) defaultOptions
+  buildRequestOptions r = merge (Record.build (convertOptions (Proxy :: _ rl)) r) defaultOptions
 
-class ConvertOptions (rl :: RowList) (input :: # Type) (output :: # Type) | rl input -> output where
-  convertOptions :: RLProxy rl -> Record.Builder { | input } { | output }
+class ConvertOptions (rl :: RowList Type) (input :: Row Type) (output :: Row Type) | rl input -> output where
+  convertOptions :: forall rlproxy. rlproxy rl -> Record.Builder { | input } { | output }
 
 instance convertOptionsCons ::
   ( ConvertOptions rest input' output
@@ -139,14 +139,14 @@ instance convertOptionsCons ::
   , IsSymbol field
   ) => ConvertOptions (RowList.Cons field from rest) input output where
   convertOptions _ =
-    convertOptions (RLProxy :: _ rest)
-      <<< Record.modify (SProxy :: _ field) (convertOption (SProxy :: _ field))
+    convertOptions (Proxy :: _ rest)
+      <<< Record.modify (Proxy :: _ field) (convertOption (Proxy :: _ field))
 
 instance convertOptionsNil :: ConvertOptions RowList.Nil r r where
   convertOptions _ = identity
 
 class ConvertOption (field :: Symbol) from to | field -> to where
-  convertOption :: SProxy field -> from -> to
+  convertOption :: forall sproxy. sproxy field -> from -> to
 
 instance convertMethod :: ConvertOption "method" Method Method where
   convertOption _ = identity
@@ -188,4 +188,4 @@ instance convertReferrerPolicy :: ConvertOption "referrerPolicy" ReferrerPolicy
   convertOption _ = identity
 
 instance convertIntegrity :: ConvertOption "integrity" Integrity Integrity where
-  convertOption _ = identity
\ No newline at end of file
+  convertOption _ = identity