diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@
 
 ## [Unreleased]
 
+## [0.6.0] - 2021-01-08
+
+- Support latest stackage nightly
+
 ## [0.5.0] - 2020-11-06
 
 - Rewrite, cachix-api now serves as the base for cachix package but doesn't contain the full HTTP API anymore.
diff --git a/cachix-api.cabal b/cachix-api.cabal
--- a/cachix-api.cabal
+++ b/cachix-api.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.2
 name:               cachix-api
-version: 0.5.0
+version: 0.6.0
 synopsis:           Servant HTTP API specification for https://cachix.org
 homepage:           https://github.com/cachix/cachix#readme
 bug-reports:        https://github.com/cachix/cachix/issues
@@ -56,10 +56,10 @@
   hs-source-dirs:  src
   build-depends:
     , aeson
-    , base                 >=4.7    && <5
+    , base                  >=4.7    && <5
     , base16-bytestring
     , bytestring
-    , conduit              >=1.3.0
+    , conduit               >=1.3.0
     , cookie
     , cryptonite
     , deepseq
@@ -72,9 +72,9 @@
     , nix-narinfo
     , protolude
     , resourcet
-    , servant              >=0.14.1
+    , servant               >=0.14.1
     , servant-auth
-    , servant-auth-server
+    , servant-auth-swagger
     , servant-client
     , string-conv
     , swagger2
@@ -105,7 +105,6 @@
     , protolude
     , servant                  >=0.14.1
     , servant-auth
-    , servant-auth-server
     , servant-auth-swagger
     , servant-swagger
     , servant-swagger-ui-core
diff --git a/src/Cachix/API/Signing.hs b/src/Cachix/API/Signing.hs
--- a/src/Cachix/API/Signing.hs
+++ b/src/Cachix/API/Signing.hs
@@ -14,7 +14,8 @@
 import qualified Data.Conduit.Combinators as CC
 import Data.IORef
 import qualified Data.Text as T
-import Protolude
+import Protolude hiding (toS)
+import Protolude.Conv
 
 -- perl/lib/Nix/Manifest.pm:fingerprintPath
 -- NB: references must be sorted
diff --git a/src/Cachix/Types/NarInfo.hs b/src/Cachix/Types/NarInfo.hs
--- a/src/Cachix/Types/NarInfo.hs
+++ b/src/Cachix/Types/NarInfo.hs
@@ -10,13 +10,15 @@
 
 import Data.Aeson (FromJSON, ToJSON)
 import Data.Swagger (ToSchema)
-import Data.Text (Text)
 import Nix.NarInfo (NarInfo (..))
+import Protolude
 
 deriving instance ToSchema CachixNarInfo
 
 deriving instance ToJSON CachixNarInfo
 
 deriving instance FromJSON CachixNarInfo
+
+deriving instance NFData CachixNarInfo
 
 type CachixNarInfo = NarInfo Text Text Text
diff --git a/src/Cachix/Types/NixCacheInfo.hs b/src/Cachix/Types/NixCacheInfo.hs
--- a/src/Cachix/Types/NixCacheInfo.hs
+++ b/src/Cachix/Types/NixCacheInfo.hs
@@ -10,4 +10,4 @@
         wantMassQuery :: Integer,
         priority :: Integer
       }
-  deriving (Generic, Show, FromJSON, ToJSON, ToSchema)
+  deriving (Generic, Show, FromJSON, ToJSON, ToSchema, NFData)
diff --git a/src/Cachix/Types/Session.hs b/src/Cachix/Types/Session.hs
--- a/src/Cachix/Types/Session.hs
+++ b/src/Cachix/Types/Session.hs
@@ -6,7 +6,7 @@
 
 import qualified Crypto.JWT as JWT
 import Protolude
-import Servant.Auth.Server (FromJWT (..), ToJWT (..))
+import Servant.Auth.JWT (FromJWT (..), ToJWT (..))
 
 data Session
   = JWTSession JWT.ClaimsSet