diff --git a/tests/nexus/test_5_5_4_1.cpp b/tests/nexus/test_5_5_4_1.cpp
index cb041a425..c3844f600 100644
--- a/tests/nexus/test_5_5_4_1.cpp
+++ b/tests/nexus/test_5_5_4_1.cpp
@@ -57,7 +57,7 @@ static constexpr uint32_t kResetTime = 300 * 1000;
 /**
  * Time to wait for network merge.
  */
-static constexpr uint32_t kMergeWaitTime = 300 * 1000;
+static constexpr uint32_t kMergeWaitTime = 350 * 1000;
 
 /**
  * The identifier used for Echo Request.