diff --git a/tests/build-label.spec.js b/tests/build-label.spec.js
index 1389510..b8ed962 100644
--- a/tests/build-label.spec.js
+++ b/tests/build-label.spec.js
@@ -45,11 +45,17 @@ for (const tool of tools) {
             expect(match, 'build-timestamp element must have text content').toBeTruthy();
             const label = match[1];
             // Plain dev builds and --release alpha|beta carry the next-stable
-            // target as a pre-release suffix:
-            //   "v0.0.3-alpha · 2026-04-29 00:50:17 · 714faf6-dirty"  (plain dev)
-            //   "v0.0.3-alpha · 2026-04-29 · 714faf6"                  (--release alpha)
-            //   "v0.0.3-beta · 2026-04-29 · 714faf6"                   (--release beta)
-            const isChannel = /^v\d+\.\d+\.\d+-(alpha|beta) · 20\d\d-\d\d-\d\d( \d\d:\d\d:\d\d)? · [0-9a-f]+(-dirty)?$/.test(label);
+            // target as a pre-release suffix; the trailing field differs:
+            //   plain dev          → full timestamp + short SHA (+ "-dirty"):
+            //     "v0.0.17-alpha · 2026-04-29 00:50:17 · 714faf6-dirty"
+            //   --release alpha|beta → date-only + a three-word source-SHA slug:
+            //     "v0.0.17-beta · 2026-04-29 · candle-mast-pearl"
+            //   stable cut         → bare version: "v0.0.17"
+            const sha  = '[0-9a-f]+(?:-dirty)?';     // plain dev build
+            const slug = '[a-z]+-[a-z]+-[a-z]+';     // --release alpha|beta
+            const isChannel = new RegExp(
+                `^v\\d+\\.\\d+\\.\\d+-(?:alpha|beta) · 20\\d\\d-\\d\\d-\\d\\d(?: \\d\\d:\\d\\d:\\d\\d)? · (?:${sha}|${slug})$`
+            ).test(label);
             const isVersion = /^v\d+\.\d+\.\d+$/.test(label);
             expect(isChannel || isVersion,
                 `Expected channel or version label, got: "${label}"`