diff --git a/lib/test_server/vsn.mk b/lib/test_server/vsn.mk
index 3c6efeffde20..ee3c957d5957 100644
--- a/lib/test_server/vsn.mk
+++ b/lib/test_server/vsn.mk
@@ -1,2 +1,2 @@
-TEST_SERVER_VSN = 3.3.7
+TEST_SERVER_VSN = 3.4