diff --git a/pkgs/by-name/ze/zeroad-data/package.nix b/pkgs/by-name/ze/zeroad-data/package.nix
index 74eea77ad053..94b05b820e28 100644
--- a/pkgs/by-name/ze/zeroad-data/package.nix
+++ b/pkgs/by-name/ze/zeroad-data/package.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   inherit (zeroad-unwrapped) version;
 
   src = fetchurl {
-    url = "http://releases.wildfiregames.com/0ad-${version}-unix-data.tar.xz";
+    url = "https://releases.wildfiregames.com/0ad-${version}-unix-data.tar.xz";
     hash = "sha256-g34tbd8TiwJfwCAXJF11gaS7hP2UtCwOYF0yG3AXqZg=";
   };
 
diff --git a/pkgs/by-name/ze/zeroad-unwrapped/package.nix b/pkgs/by-name/ze/zeroad-unwrapped/package.nix
index 3adaf5427cd5..d1e231957db7 100644
--- a/pkgs/by-name/ze/zeroad-unwrapped/package.nix
+++ b/pkgs/by-name/ze/zeroad-unwrapped/package.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   version = "0.27.1";
 
   src = fetchurl {
-    url = "http://releases.wildfiregames.com/0ad-${version}-unix-build.tar.xz";
+    url = "https://releases.wildfiregames.com/0ad-${version}-unix-build.tar.xz";
     hash = "sha256-oKU1XutZaNJPKDdwc2FQ2XTa/sugd1TUZicH3BcBa/s=";
   };