diff --git a/Extism/Manifest.hs b/Extism/Manifest.hs
--- a/Extism/Manifest.hs
+++ b/Extism/Manifest.hs
@@ -148,7 +148,7 @@
                       Ok x -> Ok (URL x)
                       Error _ -> Error "JSON does not match any of the Wasm types"
     where
-      file = (readJSON x :: Result WasmFile)
+      file = readJSON x :: Result WasmFile
 
 wasmFile :: String -> Wasm
 wasmFile path =
diff --git a/extism-manifest.cabal b/extism-manifest.cabal
--- a/extism-manifest.cabal
+++ b/extism-manifest.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               extism-manifest
-version:            1.2.1.0
+version:            1.3.0.0
 license:            BSD-3-Clause
 maintainer:         oss@extism.org
 author:             Extism authors
