diff --git a/tool/jt.rb b/tool/jt.rb
index eddb809cd88..e59e4857f44 100755
--- a/tool/jt.rb
+++ b/tool/jt.rb
@@ -37,7 +37,7 @@
 CACHE_EXTRA_DIR = File.expand_path('~/.mx/cache/truffleruby')
 FileUtils.mkdir_p(CACHE_EXTRA_DIR)
 
-TRUFFLERUBY_GEM_TEST_PACK_VERSION = '95b1d360b7d940c1390d5de930ab217a54e41c9c'
+TRUFFLERUBY_GEM_TEST_PACK_VERSION = '9196ca56fc6b352d7cf3cc38a16966f4bf0a9262'
 
 JDEBUG = '--vm.agentlib:jdwp=transport=dt_socket,server=y,address=8000,suspend=y'
 METRICS_REPS = Integer(ENV['TRUFFLERUBY_METRICS_REPS'] || 10)