diff --git a/pkgs/development/interpreters/python/cpython/default.nix b/pkgs/development/interpreters/python/cpython/default.nix
index 9c7cd10e2eda..ed88658ed27f 100644
--- a/pkgs/development/interpreters/python/cpython/default.nix
+++ b/pkgs/development/interpreters/python/cpython/default.nix
@@ -24,6 +24,7 @@
   sqlite,
   xz,
   zlib,
+  zstd,
 
   # platform-specific dependencies
   bashNonInteractive,
@@ -197,6 +198,8 @@ let
     ++ optionals (!stdenv.hostPlatform.isDarwin) [
       autoconf-archive # needed for AX_CHECK_COMPILE_FLAG
       autoreconfHook
+    ]
+    ++ optionals (!stdenv.hostPlatform.isDarwin || passthru.pythonAtLeast "3.14") [
       pkg-config
     ]
     ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
@@ -228,6 +231,9 @@ let
       xz
       zlib
     ]
+    ++ optionals (passthru.pythonAtLeast "3.14") [
+      zstd
+    ]
     ++ optionals bluezSupport [
       bluez
     ]