diff --git a/Setup.hs b/Setup.hs
index 3f8a220..ad6bb6a 100644
--- a/Setup.hs
+++ b/Setup.hs
@@ -58,7 +58,7 @@ execCargo verbosity command args = do
       IODataModeBinary
 
 rsMake :: Verbosity -> IO ()
-rsMake verbosity = execCargo verbosity "+nightly-2024-02-04" ["cbuild"]
+rsMake verbosity = execCargo verbosity "cbuild" []
 
 rsAddDirs :: LocalBuildInfo -> IO LocalBuildInfo
 rsAddDirs lbi' = do
diff --git a/librustzcash-wrapper/rust-toolchain.toml b/librustzcash-wrapper/rust-toolchain.toml
new file mode 100644
index 0000000..af255e0
--- /dev/null
+++ b/librustzcash-wrapper/rust-toolchain.toml
@@ -0,0 +1,4 @@
+[toolchain]
+channel = "nightly-2024-02-04"
+components = [ "rustfmt", "rustc-dev"]
+profile = "minimal"
diff --git a/zcash-haskell.cabal b/zcash-haskell.cabal
index 8f422e9..1a54fba 100644
--- a/zcash-haskell.cabal
+++ b/zcash-haskell.cabal
@@ -5,7 +5,7 @@ cabal-version: 3.0
 -- see: https://github.com/sol/hpack
 
 name:           zcash-haskell
-version:        0.4.2.1
+version:        0.4.2.2
 synopsis:       Utilities to interact with the Zcash blockchain
 description:    Please see the README on the repo at <https://git.vergara.tech/Vergara_Tech/zcash-haskell#readme>
 category:       Blockchain