diff --git a/packages/browsers/test/src/versions.ts b/packages/browsers/test/src/versions.ts
index 097973b82df..fc11f631e89 100644
--- a/packages/browsers/test/src/versions.ts
+++ b/packages/browsers/test/src/versions.ts
@@ -6,6 +6,6 @@
 
 export const testChromeBuildId = '121.0.6167.85';
 export const testChromiumBuildId = '1083080';
-export const testFirefoxBuildId = '126.0a1';
+export const testFirefoxBuildId = '127.0a1';
 export const testChromeDriverBuildId = '121.0.6167.85';
 export const testChromeHeadlessShellBuildId = '121.0.6167.85';