diff --git a/cmd/spinifex/cmd/admin_kv_test.go b/cmd/spinifex/cmd/admin_kv_test.go
index e7996cdfa..5197ea4c6 100644
--- a/cmd/spinifex/cmd/admin_kv_test.go
+++ b/cmd/spinifex/cmd/admin_kv_test.go
@@ -279,7 +279,7 @@ func TestKVDigestIgnoresExpiry(t *testing.T) {
 	require.NoError(t, err)
 	js, err := jetstream.New(nc)
 	require.NoError(t, err)
-	kv, err := js.CreateKeyValue(ctx, jetstream.KeyValueConfig{Bucket: "ttl", TTL: time.Second})
+	kv, err := js.CreateKeyValue(ctx, jetstream.KeyValueConfig{Bucket: "ttl", TTL: 200 * time.Millisecond})
 	require.NoError(t, err)
 	_, err = kv.PutString(ctx, "k", "v")
 	require.NoError(t, err)
@@ -291,7 +291,7 @@ func TestKVDigestIgnoresExpiry(t *testing.T) {
 	ns.Shutdown()
 	ns.WaitForShutdown()
 
-	time.Sleep(1500 * time.Millisecond)
+	time.Sleep(400 * time.Millisecond)
 	d, err := digestStore(ctx, work, nil, false, metas)
 	require.NoError(t, err)
 	require.Len(t, d, 1)
diff --git a/cmd/spinifex/cmd/cluster_test.go b/cmd/spinifex/cmd/cluster_test.go
index ea085d5d2..362d1152d 100644
--- a/cmd/spinifex/cmd/cluster_test.go
+++ b/cmd/spinifex/cmd/cluster_test.go
@@ -38,7 +38,7 @@ func TestDrainDHCPLeasesSumsReleased(t *testing.T) {
 	_, nc, _ := testutil.StartTestJetStream(t)
 	fakeDrainResponder(t, nc, 7, "")
 
-	released, responders := drainDHCPLeases(nc, 2*time.Second)
+	released, responders := drainDHCPLeases(nc, 250*time.Millisecond)
 	assert.Equal(t, 7, released)
 	assert.Equal(t, 1, responders)
 }
@@ -49,7 +49,7 @@ func TestDrainDHCPLeasesReportsResponderError(t *testing.T) {
 
 	// An erroring responder still counts as a responder but contributes
 	// zero released leases.
-	released, responders := drainDHCPLeases(nc, 2*time.Second)
+	released, responders := drainDHCPLeases(nc, 250*time.Millisecond)
 	assert.Equal(t, 0, released)
 	assert.Equal(t, 1, responders)
 }
diff --git a/spinifex/services/viperblockd/viperblockd_integration_test.go b/spinifex/services/viperblockd/viperblockd_integration_test.go
index 016add161..1761e3d62 100644
--- a/spinifex/services/viperblockd/viperblockd_integration_test.go
+++ b/spinifex/services/viperblockd/viperblockd_integration_test.go
@@ -88,7 +88,7 @@ func setupTestConfig(t *testing.T, natsURL string) *Config {
 
 	cfg := &Config{
 		NatsHost:       natsURL,
-		S3Host:         "http://127.0.0.1:1",
+		S3Host:         fastFailingS3Host(t),
 		Bucket:         "test-bucket",
 		Region:         "us-east-1",
 		AccessKey:      "test-access-key",