diff --git a/internal/consensus/pbts_test.go b/internal/consensus/pbts_test.go
index 17e9aaeb8..38da71bf3 100644
--- a/internal/consensus/pbts_test.go
+++ b/internal/consensus/pbts_test.go
@@ -436,7 +436,7 @@ func TestTimelyProposal(t *testing.T) {
 		},
 		timeoutPropose:             40 * time.Millisecond,
 		genesisTime:                initialTime,
-		height2ProposedBlockTime:   initialTime.Add(10 * time.Millisecond),
+		height2ProposedBlockTime:   initialTime.Add(5 * time.Millisecond),
 		height2ProposalDeliverTime: initialTime.Add(30 * time.Millisecond),
 	}
 
@@ -459,7 +459,7 @@ func TestTooFarInThePastProposal(t *testing.T) {
 		},
 		timeoutPropose:             50 * time.Millisecond,
 		genesisTime:                initialTime,
-		height2ProposedBlockTime:   initialTime.Add(10 * time.Millisecond),
+		height2ProposedBlockTime:   initialTime.Add(15 * time.Millisecond),
 		height2ProposalDeliverTime: initialTime.Add(21 * time.Millisecond),
 	}