# What: fetch the pinned Linux zlib packages from dated Ubuntu snapshots.
# Scope: download URLs only; package versions and checksums are unchanged.
# Backport of https://github.com/hermeticbuild/rules_rs/commit/81336041f1c092b94ba0d35384c4dfc03ce45a07

diff --git a/rs/private/rustc_repository.bzl b/rs/private/rustc_repository.bzl
--- a/rs/private/rustc_repository.bzl
+++ b/rs/private/rustc_repository.bzl
@@ -11,11 +11,11 @@ _LINUX_ZLIB = {
     "aarch64": struct(
         libdir = "usr/lib/aarch64-linux-gnu",
         sha256 = "cbe3d39ec32d3cc27c021ae4af11e7c67bdf9d700d573207e0941d4038056278",
-        url = "https://ports.ubuntu.com/ubuntu-ports/pool/main/z/zlib/zlib1g_1.3.dfsg-3.1ubuntu2.1_arm64.deb",
+        url = "https://snapshot.ubuntu.com/ubuntu/20260801T000000Z/pool/main/z/zlib/zlib1g_1.3.dfsg-3.1ubuntu2.1_arm64.deb",
     ),
     "x86_64": struct(
         libdir = "usr/lib/x86_64-linux-gnu",
         sha256 = "7074b6a2f6367a10d280c00a1cb02e74277709180bab4f2491a2f355ab2d6c20",
-        url = "https://archive.ubuntu.com/ubuntu/pool/main/z/zlib/zlib1g_1.3.dfsg-3.1ubuntu2.1_amd64.deb",
+        url = "https://snapshot.ubuntu.com/ubuntu/20260801T000000Z/pool/main/z/zlib/zlib1g_1.3.dfsg-3.1ubuntu2.1_amd64.deb",
     ),
 }