diff --git a/.buildkite/ci.mjs b/.buildkite/ci.mjs
index 5258ad6e5b..4e420a9a08 100755
--- a/.buildkite/ci.mjs
+++ b/.buildkite/ci.mjs
@@ -109,9 +109,9 @@ const buildPlatforms = [
   { os: "linux", arch: "x64", distro: "amazonlinux", release: "2023", features: ["docker"] },
   { os: "linux", arch: "x64", baseline: true, distro: "amazonlinux", release: "2023", features: ["docker"] },
   { os: "linux", arch: "x64", profile: "asan", distro: "amazonlinux", release: "2023", features: ["docker"] },
-  { os: "linux", arch: "aarch64", abi: "musl", distro: "alpine", release: "3.23" },
-  { os: "linux", arch: "x64", abi: "musl", distro: "alpine", release: "3.23" },
-  { os: "linux", arch: "x64", abi: "musl", baseline: true, distro: "alpine", release: "3.23" },
+  { os: "linux", arch: "aarch64", abi: "musl", distro: "alpine", release: "3.22" },
+  { os: "linux", arch: "x64", abi: "musl", distro: "alpine", release: "3.22" },
+  { os: "linux", arch: "x64", abi: "musl", baseline: true, distro: "alpine", release: "3.22" },
   { os: "windows", arch: "x64", release: "2019" },
   { os: "windows", arch: "x64", baseline: true, release: "2019" },
   // TODO: Enable when Windows ARM64 CI runners are ready
@@ -133,9 +133,9 @@ const testPlatforms = [
   { os: "linux", arch: "aarch64", distro: "ubuntu", release: "25.04", tier: "latest" },
   { os: "linux", arch: "x64", distro: "ubuntu", release: "25.04", tier: "latest" },
   { os: "linux", arch: "x64", baseline: true, distro: "ubuntu", release: "25.04", tier: "latest" },
-  { os: "linux", arch: "aarch64", abi: "musl", distro: "alpine", release: "3.23", tier: "latest" },
-  { os: "linux", arch: "x64", abi: "musl", distro: "alpine", release: "3.23", tier: "latest" },
-  { os: "linux", arch: "x64", abi: "musl", baseline: true, distro: "alpine", release: "3.23", tier: "latest" },
+  { os: "linux", arch: "aarch64", abi: "musl", distro: "alpine", release: "3.22", tier: "latest" },
+  { os: "linux", arch: "x64", abi: "musl", distro: "alpine", release: "3.22", tier: "latest" },
+  { os: "linux", arch: "x64", abi: "musl", baseline: true, distro: "alpine", release: "3.22", tier: "latest" },
   { os: "windows", arch: "x64", release: "2019", tier: "oldest" },
   { os: "windows", arch: "x64", release: "2019", baseline: true, tier: "oldest" },
   // TODO: Enable when Windows ARM64 CI runners are ready
@@ -345,7 +345,7 @@ function getZigPlatform() {
     arch: "aarch64",
     abi: "musl",
     distro: "alpine",
-    release: "3.23",
+    release: "3.22",
   };
 }