1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/tools/build-managers/buildbot-slave/default.nix b/pkgs/development/tools/build-managers/buildbot-slave/default.nix
index 30fbe056926..a5f86d105c3 100644
--- a/pkgs/development/tools/build-managers/buildbot-slave/default.nix
+++ b/pkgs/development/tools/build-managers/buildbot-slave/default.nix
@@ -5,7 +5,7 @@ buildPythonApplication (rec {
   namePrefix = "";
 
   src = fetchurl {
-    url = "https://pypi.python.org/packages/source/b/buildbot-slave/${name}.tar.gz";
+    url = "mirror://pypi/b/buildbot-slave/${name}.tar.gz";
     sha256 = "09pncw44c7vqrl7zyn1nvfismiqi9s51axk9cqxn9gq7jhj38mpg";
   };