diff --git a/pkgs/development/tools/wizer/default.nix b/pkgs/development/tools/wizer/default.nix
new file mode 100644
index 000000000000..d56366cf3a8c
--- /dev/null
+++ b/pkgs/development/tools/wizer/default.nix
@@ -0,0 +1,31 @@
+{ lib, rustPlatform, fetchCrate }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "wizer";
+  version = "1.4.0";
+
+  src = fetchCrate {
+    inherit pname version;
+
+    sha256 = "sha256-3Hc3KKqtbZtvD+3lb/W7+AyrwPukJyxpUe94KGQlzBI=";
+  };
+
+  cargoSha256 = "sha256-zv36/W7dNpIupYn8TS+NaF7uX+BVjrI6AW6Hrlqr8Xg=";
+
+  cargoBuildFlags = [ "--bin" pname ];
+
+  buildFeatures = [ "env_logger" "structopt" ];
+
+  # Setting $HOME to a temporary directory is necessary to prevent checks from failing, as
+  # the test suite creates a cache directory at $HOME/Library/Caches/BytecodeAlliance.wasmtime.
+  preCheck = ''
+    export HOME=$(mktemp -d)
+  '';
+
+  meta = with lib; {
+    description = "The WebAssembly pre-initializer";
+    homepage = "https://github.com/bytecodealliance/wizer";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ lucperkins ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5d5e966accc3..adf83a12cd8b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -35751,6 +35751,8 @@ with pkgs;
 
   with-shell = callPackage ../applications/misc/with-shell { };
 
+  wizer = darwin.apple_sdk_11_0.callPackage ../development/tools/wizer {};
+
   wmutils-core = callPackage ../tools/X11/wmutils-core { };
 
   wmutils-libwm = callPackage ../tools/X11/wmutils-libwm { };