diff --git a/pkgs/by-name/sp/sphinxsearch/package.nix b/pkgs/by-name/sp/sphinxsearch/package.nix
index 87cd529882aa..1c866198c60e 100644
--- a/pkgs/by-name/sp/sphinxsearch/package.nix
+++ b/pkgs/by-name/sp/sphinxsearch/package.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation (finalAttrs: {
   version = "2.2.11";
 
   src = fetchurl {
-    url = "http://sphinxsearch.com/files/sphinx-${finalAttrs.version}-release.tar.gz";
+    url = "https://sphinxsearch.com/files/sphinx-${finalAttrs.version}-release.tar.gz";
     sha256 = "1aa1mh32y019j8s3sjzn4vwi0xn83dwgl685jnbgh51k16gh6qk6";
   };