diff --git a/pkgs/by-name/ci/ciopfs/package.nix b/pkgs/by-name/ci/ciopfs/package.nix
index 7f504e09813b..c910fcd15088 100644
--- a/pkgs/by-name/ci/ciopfs/package.nix
+++ b/pkgs/by-name/ci/ciopfs/package.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation (finalAttrs: {
   version = "0.4";
 
   src = fetchurl {
-    url = "http://www.brain-dump.org/projects/ciopfs/ciopfs-${finalAttrs.version}.tar.gz";
+    url = "https://www.brain-dump.org/projects/ciopfs/ciopfs-${finalAttrs.version}.tar.gz";
     sha256 = "0sr9i9b3qfwbfvzvk00yrrg3x2xqk1njadbldkvn7hwwa4z5bm9l";
   };