diff --git a/pkgs/development/python-modules/johnnycanencrypt/default.nix b/pkgs/development/python-modules/johnnycanencrypt/default.nix
index a8ce23d371f8..2f7921374e75 100644
--- a/pkgs/development/python-modules/johnnycanencrypt/default.nix
+++ b/pkgs/development/python-modules/johnnycanencrypt/default.nix
@@ -13,6 +13,7 @@
 , pytestCheckHook
 , pythonOlder
 , PCSC
+, libiconv
 }:
 
 buildPythonPackage rec {
@@ -55,7 +56,10 @@ buildPythonPackage rec {
   buildInputs = [
     pcsclite
     nettle
-  ] ++ lib.optionals stdenv.isDarwin [ PCSC ];
+  ] ++ lib.optionals stdenv.isDarwin [
+    PCSC
+    libiconv
+  ];
 
   # Needed b/c need to check AFTER python wheel is installed (using Rust Build, not buildPythonPackage)
   doCheck = false;
@@ -70,6 +74,8 @@ buildPythonPackage rec {
   # for compatibility with maturin 0.9.0.
   postPatch = ''
     sed '/project-url = /d' -i Cargo.toml
+    substituteInPlace pyproject.toml \
+      --replace 'manylinux = "off"' 'skip-auditwheel = true'
   '';
 
   preCheck = ''