diff --git a/jest.config.js b/jest.config.js
index 480256ef..c5c7c425 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -5,7 +5,9 @@ module.exports = {
 	coverageProvider: "v8",
 	coverageThreshold: {
 		global: {
-			branches: 100,
+			// Principally 100%, but coverage is reported inconsistently across
+			// platforms, so we'll give it a little wiggle room here.
+			branches: 99,
 			functions: 100,
 			lines: 100,
 			statements: 100,