diff --git a/colorless-http-client.cabal b/colorless-http-client.cabal
--- a/colorless-http-client.cabal
+++ b/colorless-http-client.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           colorless-http-client
-version:        0.0.2
+version:        0.0.3
 synopsis:       Http Client addon for Colorless
 description:    Http Client addon for Colorless
 category:       Web
diff --git a/library/Colorless/Client/HttpClient.hs b/library/Colorless/Client/HttpClient.hs
--- a/library/Colorless/Client/HttpClient.hs
+++ b/library/Colorless/Client/HttpClient.hs
@@ -18,7 +18,7 @@
 type HttpClientResponse = HttpClient.Response
 
 sendRequest
-  :: (HasType meta, ToJSON meta, ToAst a, HasType a, FromJSON a, HasType err, FromJSON err)
+  :: (HasType meta, ToAst meta, ToAst a, HasType a, FromJSON a, HasType err, FromJSON err)
   => Manager
   -> Pull
   -> RequestHeaders
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: colorless-http-client
-version: '0.0.2'
+version: '0.0.3'
 category: Web
 synopsis: Http Client addon for Colorless
 description: Http Client addon for Colorless