diff --git a/src/build_options.rs b/src/build_options.rs
index 96cd3cac2..3ee86711b 100644
--- a/src/build_options.rs
+++ b/src/build_options.rs
@@ -161,8 +161,8 @@ pub struct BuildOptions {
     #[arg(short = 'f', long, conflicts_with = "interpreter")]
     pub find_interpreter: bool,
 
-    /// Which kind of bindings to use. Possible values are pyo3, rust-cpython, cffi and bin
-    #[arg(short, long)]
+    /// Which kind of bindings to use.
+    #[arg(short, long, value_parser = ["pyo3", "pyo3-ffi", "rust-cpython", "cffi", "bin"])]
     pub bindings: Option<String>,
 
     /// The directory to store the built wheels in. Defaults to a new "wheels"
diff --git a/tests/cmd/build.stdout b/tests/cmd/build.stdout
index c61af7d1c..1dcee50c6 100644
--- a/tests/cmd/build.stdout
+++ b/tests/cmd/build.stdout
@@ -37,7 +37,9 @@ Options:
           Find interpreters from the host machine
 
   -b, --bindings <BINDINGS>
-          Which kind of bindings to use. Possible values are pyo3, rust-cpython, cffi and bin
+          Which kind of bindings to use
+          
+          [possible values: pyo3, pyo3-ffi, rust-cpython, cffi, bin]
 
   -o, --out <OUT>
           The directory to store the built wheels in. Defaults to a new "wheels" directory in the
diff --git a/tests/cmd/publish.stdout b/tests/cmd/publish.stdout
index c6e6e2363..f8f9d78d2 100644
--- a/tests/cmd/publish.stdout
+++ b/tests/cmd/publish.stdout
@@ -71,7 +71,9 @@ Options:
           Find interpreters from the host machine
 
   -b, --bindings <BINDINGS>
-          Which kind of bindings to use. Possible values are pyo3, rust-cpython, cffi and bin
+          Which kind of bindings to use
+          
+          [possible values: pyo3, pyo3-ffi, rust-cpython, cffi, bin]
 
   -o, --out <OUT>
           The directory to store the built wheels in. Defaults to a new "wheels" directory in the