diff --git a/make/conf/jib-profiles.js b/make/conf/jib-profiles.js
index e5dd458f806..cdba1241893 100644
--- a/make/conf/jib-profiles.js
+++ b/make/conf/jib-profiles.js
@@ -1060,7 +1060,7 @@ var getJibProfilesDependencies = function (input, common) {
         jtreg: {
             server: "javare",
             revision: "4.2",
-            build_number: "b09",
+            build_number: "b10",
             checksum_file: "MD5_VALUES",
             file: "jtreg_bin-4.2.zip",
             environment_name: "JT_HOME",