diff --git a/pkgs/by-name/kn/knot-resolver_5/package.nix b/pkgs/by-name/kn/knot-resolver_5/package.nix
index 1bc541bb9498..26dbd427f5a4 100644
--- a/pkgs/by-name/kn/knot-resolver_5/package.nix
+++ b/pkgs/by-name/kn/knot-resolver_5/package.nix
@@ -140,6 +140,7 @@ let
       rm -r "$out"/lib/sysusers.d/ # ATM more likely to harm than help
     '';
 
+    __darwinAllowLocalNetworking = true;
     doInstallCheck = with stdenv; hostPlatform == buildPlatform;
     nativeInstallCheckInputs = [
       cmocka
diff --git a/pkgs/by-name/kn/knot-resolver_6/package.nix b/pkgs/by-name/kn/knot-resolver_6/package.nix
index f8058a3ad70e..5223af3b2463 100644
--- a/pkgs/by-name/kn/knot-resolver_6/package.nix
+++ b/pkgs/by-name/kn/knot-resolver_6/package.nix
@@ -121,6 +121,7 @@ let
       rm -r "$out"/lib/sysusers.d/ # ATM more likely to harm than help
     '';
 
+    __darwinAllowLocalNetworking = true;
     doInstallCheck = with stdenv; hostPlatform == buildPlatform;
     nativeInstallCheckInputs = [
       which