diff --git a/pkgs/development/python-modules/qcs-api-client/default.nix b/pkgs/development/python-modules/qcs-api-client/default.nix
index 98e3b05812f1..c884dfe01e62 100644
--- a/pkgs/development/python-modules/qcs-api-client/default.nix
+++ b/pkgs/development/python-modules/qcs-api-client/default.nix
@@ -8,6 +8,7 @@
   iso8601,
   poetry-core,
   pydantic,
+  pydantic-settings,
   pyjwt,
   pytest-asyncio,
   pytestCheckHook,
@@ -60,6 +61,7 @@ buildPythonPackage rec {
     httpx
     iso8601
     pydantic
+    pydantic-settings
     pyjwt
     python-dateutil
     retrying
diff --git a/pkgs/development/python-modules/qcs-sdk-python/default.nix b/pkgs/development/python-modules/qcs-sdk-python/default.nix
index 100a7874fd18..d63eb97b9faa 100644
--- a/pkgs/development/python-modules/qcs-sdk-python/default.nix
+++ b/pkgs/development/python-modules/qcs-sdk-python/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
   pytest-asyncio,
@@ -7,6 +8,8 @@
   pythonOlder,
   quil,
   rustPlatform,
+  darwin,
+  libiconv,
   syrupy,
 }:
 
@@ -40,6 +43,12 @@ buildPythonPackage rec {
 
   dependencies = [ quil ];
 
+  buildInputs = lib.optionals stdenv.isDarwin [
+    darwin.apple_sdk.frameworks.Security
+    darwin.apple_sdk.frameworks.SystemConfiguration
+    libiconv
+  ];
+
   nativeCheckInputs = [
     pytest-asyncio
     pytestCheckHook
diff --git a/pkgs/development/python-modules/quil/default.nix b/pkgs/development/python-modules/quil/default.nix
index 41f79d79bdf3..4043f8b332fd 100644
--- a/pkgs/development/python-modules/quil/default.nix
+++ b/pkgs/development/python-modules/quil/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   pythonOlder,
   fetchFromGitHub,
@@ -7,6 +8,7 @@
   numpy,
   pytestCheckHook,
   syrupy,
+  libiconv
 }:
 
 buildPythonPackage rec {
@@ -40,6 +42,8 @@ buildPythonPackage rec {
     rustPlatform.maturinBuildHook
   ];
 
+  buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
+
   dependencies = [ numpy ];
 
   pythonImportsCheck = [ "numpy" ];