diff --git a/pkgs/development/compilers/nim/default.nix b/pkgs/development/compilers/nim/default.nix
index c9cdfc6bdf48..9d099f5c7082 100644
--- a/pkgs/development/compilers/nim/default.nix
+++ b/pkgs/development/compilers/nim/default.nix
@@ -203,6 +203,10 @@ in {
 
       nativeBuildInputs = [ makeWrapper ];
 
+      # Needed for any nim package that uses the standard library's
+      # 'std/sysrand' module.
+      depsTargetTargetPropagated = lib.optional stdenv.isDarwin Security;
+
       patches = [
         ./nim.cfg.patch
         # Remove configurations that clash with ours