diff --git a/.github/workflows/linearizability-nightly.yaml b/.github/workflows/linearizability-nightly.yaml
index 2179b2feaa0d..c93755595468 100644
--- a/.github/workflows/linearizability-nightly.yaml
+++ b/.github/workflows/linearizability-nightly.yaml
@@ -10,17 +10,17 @@ jobs:
     uses: ./.github/workflows/linearizability-template.yaml
     with:
       ref: main
-      count: 300
+      count: 200
       timeoutDuration: 170m
   test-35:
     uses: ./.github/workflows/linearizability-template.yaml
     with:
       ref: release-3.5
-      count: 300
+      count: 200
       timeoutDuration: 170m
   test-34:
     uses: ./.github/workflows/linearizability-template.yaml
     with:
       ref: release-3.4
-      count: 300
+      count: 200
       timeoutDuration: 170m
diff --git a/.github/workflows/linearizability.yaml b/.github/workflows/linearizability.yaml
index d3cc8a1a9d71..80ecffd903b8 100644
--- a/.github/workflows/linearizability.yaml
+++ b/.github/workflows/linearizability.yaml
@@ -6,5 +6,5 @@ jobs:
     uses: ./.github/workflows/linearizability-template.yaml
     with:
       ref: ${{ github.ref }}
-      count: 60
+      count: 40
       testTimeout: 30m
diff --git a/tests/linearizability/linearizability_test.go b/tests/linearizability/linearizability_test.go
index bf1e1fef5650..2538cdaf8cb4 100644
--- a/tests/linearizability/linearizability_test.go
+++ b/tests/linearizability/linearizability_test.go
@@ -35,9 +35,9 @@ import (
 
 const (
 	// minimalQPS is used to validate if enough traffic is send to make tests accurate.
-	minimalQPS = 100.0
+	minimalQPS = 200.0
 	// maximalQPS limits number of requests send to etcd to avoid linearizability analysis taking too long.
-	maximalQPS = 200.0
+	maximalQPS = 1000.0
 	// waitBetweenFailpointTriggers
 	waitBetweenFailpointTriggers = time.Second
 )
@@ -54,6 +54,7 @@ func TestLinearizability(t *testing.T) {
 			failpoint: RandomFailpoint,
 			config: *e2e.NewConfig(
 				e2e.WithClusterSize(1),
+				e2e.WithSnapshotCount(100),
 				e2e.WithPeerProxy(true),
 				e2e.WithGoFailEnabled(true),
 				e2e.WithCompactionBatchLimit(100), // required for compactBeforeCommitBatch and compactAfterCommitBatch failpoints
@@ -63,6 +64,7 @@ func TestLinearizability(t *testing.T) {
 			name:      "ClusterOfSize3",
 			failpoint: RandomFailpoint,
 			config: *e2e.NewConfig(
+				e2e.WithSnapshotCount(100),
 				e2e.WithPeerProxy(true),
 				e2e.WithGoFailEnabled(true),
 				e2e.WithCompactionBatchLimit(100), // required for compactBeforeCommitBatch and compactAfterCommitBatch failpoints
@@ -84,6 +86,13 @@ func TestLinearizability(t *testing.T) {
 				e2e.WithGoFailEnabled(true),
 			),
 		},
+		{
+			name:      "Issue13766",
+			failpoint: KillFailpoint,
+			config: *e2e.NewConfig(
+				e2e.WithSnapshotCount(100),
+			),
+		},
 	}
 	for _, tc := range tcs {
 		t.Run(tc.name, func(t *testing.T) {
@@ -101,7 +110,7 @@ func TestLinearizability(t *testing.T) {
 			}, trafficConfig{
 				minimalQPS:  minimalQPS,
 				maximalQPS:  maximalQPS,
-				clientCount: 8,
+				clientCount: 12,
 				traffic:     DefaultTraffic,
 			})
 			longestHistory, remainingEvents := pickLongestHistory(events)