diff --git a/package.json b/package.json
index 53367803..a0a13301 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "pr-queue-hygiene": "node scripts/pr-queue-hygiene.mjs",
     "test:unit": "TZ=UTC node --test",
     "test:unit:coverage": "TZ=UTC node tests/tools/coverage-report.mjs",
-    "test:unit:coverage:check": "TZ=UTC node tests/tools/coverage-report.mjs --check 99 --check-source 100 --check-regions 95 --check-source-regions 99 --check-source-file-regions 97 --check-harness 100 --check-harness-regions 97 --check-harness-file-regions 93 --require-source-files",
+    "test:unit:coverage:check": "TZ=UTC node tests/tools/coverage-report.mjs --check 99 --check-source 100 --check-regions 95 --check-source-regions 99 --check-source-file-regions 97 --check-harness 100 --check-harness-regions 97 --check-harness-file-regions 97 --require-source-files",
     "test:e2e": "playwright test",
     "build:e2e:coverage": "npm run build:e2e:coverage:site && npm run build:e2e:coverage:fixtures",
     "build:e2e:coverage:site": "DOCUSAURUS_NO_PERSISTENT_CACHE=1 E2E_COVERAGE=1 npm run build:production",
diff --git a/tests/coverage-gate-thresholds.test.mjs b/tests/coverage-gate-thresholds.test.mjs
index ba749c0d..905c4dd5 100644
--- a/tests/coverage-gate-thresholds.test.mjs
+++ b/tests/coverage-gate-thresholds.test.mjs
@@ -48,12 +48,12 @@ const FLOORS = {
   // entered none of the ratios above, which are all built from
   // isSourceFile(). These are the same three shapes over its own row.
   // Measured on the suite this commit ships: harness files 100.00% lines /
-  // 97.95% regions (3522/3522 lines, 1384/1413 regions), and the lowest
-  // harness file is tests/tools/e2e-coverage-report.mjs at 93.65%, floored
-  // to 93.
+  // 99.19% regions (3890/3890 lines, 1467/1479 regions), and the lowest
+  // harness file is tests/tools/e2e-coverage-report.mjs at 97.57%, floored
+  // to 97. Every other harness file is at 100.00%.
   '--check-harness': 100,
   '--check-harness-regions': 97,
-  '--check-harness-file-regions': 93,
+  '--check-harness-file-regions': 97,
 };
 
 function parseGate(command) {