diff --git a/agent/test/Makefile b/agent/test/Makefile
index 5245f03..25c7ce0 100644
--- a/agent/test/Makefile
+++ b/agent/test/Makefile
@@ -41,7 +41,7 @@
 
 export CXX CXXFLAGS OPENOLT_PROTO_VER
 
-BAL_API_VER ?= bal-api-3.4.7.5
+BAL_API_VER ?= bal-api-3.4.9.6
 BAL_API_DIR=$(BAL_API_VER)
 BALLIBNAME=bcm_host_api_stubs
 BALLIBDIR=$(BAL_API_DIR)/stubs