diff --git a/test/gtest/common/main.cc b/test/gtest/common/main.cc
index 9cf2a272619..d66e6ec1df5 100644
--- a/test/gtest/common/main.cc
+++ b/test/gtest/common/main.cc
@@ -84,6 +84,7 @@ int main(int argc, char **argv) {
         modify_config_for_valgrind("IB_TX_BUFS_GROW", "64");
         modify_config_for_valgrind("UD_RX_QUEUE_LEN", "256");
         modify_config_for_valgrind("UD_RX_QUEUE_LEN_INIT", "32");
+        modify_config_for_valgrind("UD_TIMEOUT", "300s");
         modify_config_for_valgrind("RC_TX_CQ_LEN", "128");
         modify_config_for_valgrind("RC_RX_QUEUE_LEN", "128");
         modify_config_for_valgrind("DC_TX_QUEUE_LEN", "16");