diff --git a/pkgs/by-name/sw/swiften/package.nix b/pkgs/by-name/sw/swiften/package.nix
index 961618dd0e89..b3ccb17599ee 100644
--- a/pkgs/by-name/sw/swiften/package.nix
+++ b/pkgs/by-name/sw/swiften/package.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation (finalAttrs: {
   version = "4.0.3";
 
   src = fetchurl {
-    url = "http://swift.im/git/swift/snapshot/swift-${finalAttrs.version}.tar.bz2";
+    url = "https://swift.im/git/swift/snapshot/swift-${finalAttrs.version}.tar.bz2";
     hash = "sha256-aj+T6AevtR8birbsj+83nfzFC6cf72q+7nwSM0jaZrA=";
   };