diff --git a/pkgs/by-name/pr/prometheus/package.nix b/pkgs/by-name/pr/prometheus/package.nix
index 703fbda70fd0..40cfe2fec8f0 100644
--- a/pkgs/by-name/pr/prometheus/package.nix
+++ b/pkgs/by-name/pr/prometheus/package.nix
@@ -63,6 +63,8 @@ let
 
     env.CI = true;
 
+    __darwinAllowLocalNetworking = true;
+
     doCheck = true;
     checkPhase = ''
       runHook preCheck