diff --git a/client-v2/src/test/java/com/clickhouse/client/ProxyTests.java b/client-v2/src/test/java/com/clickhouse/client/ProxyTests.java
index 51fb2ccd9..288be2c01 100644
--- a/client-v2/src/test/java/com/clickhouse/client/ProxyTests.java
+++ b/client-v2/src/test/java/com/clickhouse/client/ProxyTests.java
@@ -1,9 +1,9 @@
 package com.clickhouse.client;
 
+import com.clickhouse.client.api.ClickHouseException;
 import com.clickhouse.client.api.Client;
 import com.clickhouse.client.api.ClientException;
 import com.clickhouse.client.api.ClientMisconfigurationException;
-import com.clickhouse.client.api.ClickHouseException;
 import com.clickhouse.client.api.enums.Protocol;
 import com.clickhouse.client.api.enums.ProxyType;
 import com.clickhouse.client.api.insert.InsertResponse;
@@ -222,6 +222,7 @@ private Client.Builder clientBuilder(int proxyPort, boolean onlyNewImplementatio
 
     private int initProxy() {
         WireMockServer wireMock = new WireMockServer(WireMockConfiguration.options()
+                .dynamicPort()
 //                .notifier(new Slf4jNotifier(true))
         );
         wireMock.start();
diff --git a/client-v2/src/test/java/com/clickhouse/client/metrics/MetricsTest.java b/client-v2/src/test/java/com/clickhouse/client/metrics/MetricsTest.java
index 401917404..fd36c18eb 100644
--- a/client-v2/src/test/java/com/clickhouse/client/metrics/MetricsTest.java
+++ b/client-v2/src/test/java/com/clickhouse/client/metrics/MetricsTest.java
@@ -19,12 +19,13 @@
 import org.testng.annotations.Test;
 
 import java.time.temporal.ChronoUnit;
+import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 
 import static org.testng.Assert.assertEquals;
-import static org.testng.Assert.fail;
 
 public class MetricsTest extends BaseIntegrationTest {
     private MeterRegistry meterRegistry;
@@ -67,25 +68,38 @@ public void testRegisterMetrics() throws Exception {
             Assert.assertEquals((int) available.value(), 1);
             Assert.assertEquals((int) leased.value(), 0);
 
-            final long maxDelay = isCloud() ? 300 : 15;
+            CountDownLatch responsesReady = new CountDownLatch(2);
+            CountDownLatch releaseResponses = new CountDownLatch(1);
             Runnable task = () -> {
-                long t1 = System.currentTimeMillis();
                 try (QueryResponse response = client.query("SELECT 1").get()) {
-                    long t = System.currentTimeMillis() - t1;
-                    Assert.assertTrue(t < maxDelay, "Unexpected delay (t = " + t + ", but expected < " + maxDelay + " ms)");
-                    Assert.assertEquals((int) available.value(), 0);
-                    Assert.assertEquals((int) leased.value(), 1);
+                    responsesReady.countDown();
+                    Assert.assertTrue(releaseResponses.await(10, TimeUnit.SECONDS),
+                            "Timed out waiting to release query responses");
                 } catch (Exception e) {
-                    e.printStackTrace();
-                    fail("Failed to to request", e);
+                    throw new RuntimeException("Failed to execute request", e);
                 }
             };
 
-            ExecutorService executor = Executors.newFixedThreadPool(3);
-            executor.submit(task);
-            executor.submit(task);
-            executor.shutdown();
-            executor.awaitTermination(10, TimeUnit.SECONDS);
+            ExecutorService executor = Executors.newFixedThreadPool(2);
+            Future<?> firstQuery = executor.submit(task);
+            Future<?> secondQuery = executor.submit(task);
+            try {
+                try {
+                    Assert.assertTrue(responsesReady.await(10, TimeUnit.SECONDS),
+                            "Timed out waiting for concurrent query responses");
+                    Assert.assertEquals((int) available.value(), 0);
+                    Assert.assertEquals((int) leased.value(), 2);
+                } finally {
+                    releaseResponses.countDown();
+                }
+                firstQuery.get(10, TimeUnit.SECONDS);
+                secondQuery.get(10, TimeUnit.SECONDS);
+            } finally {
+                releaseResponses.countDown();
+                executor.shutdownNow();
+            }
+            Assert.assertTrue(executor.awaitTermination(10, TimeUnit.SECONDS),
+                    "Timed out waiting for query executor to terminate");
 
             Assert.assertEquals((int) available.value(), 2);
             Assert.assertEquals((int) leased.value(), 0);
@@ -95,7 +109,10 @@ public void testRegisterMetrics() throws Exception {
             Assert.assertEquals((int) available.value(), 2);
             Assert.assertEquals((int) leased.value(), 0);
 
-            task.run();
+            try (QueryResponse response = client.query("SELECT 1").get()) {
+                Assert.assertEquals((int) available.value(), 0);
+                Assert.assertEquals((int) leased.value(), 1);
+            }
 
             Assert.assertEquals((int) available.value(), 1);
             Assert.assertEquals((int) leased.value(), 0);
diff --git a/client-v2/src/test/java/com/clickhouse/client/query/QueryTests.java b/client-v2/src/test/java/com/clickhouse/client/query/QueryTests.java
index e8230716c..f3a25feff 100644
--- a/client-v2/src/test/java/com/clickhouse/client/query/QueryTests.java
+++ b/client-v2/src/test/java/com/clickhouse/client/query/QueryTests.java
@@ -11,10 +11,10 @@
 import com.clickhouse.client.api.ClientException;
 import com.clickhouse.client.api.ServerException;
 import com.clickhouse.client.api.command.CommandSettings;
-import com.clickhouse.client.api.http.ClickHouseHttpProto;
 import com.clickhouse.client.api.data_formats.ClickHouseBinaryFormatReader;
 import com.clickhouse.client.api.data_formats.internal.BinaryStreamReader;
 import com.clickhouse.client.api.enums.Protocol;
+import com.clickhouse.client.api.http.ClickHouseHttpProto;
 import com.clickhouse.client.api.insert.InsertResponse;
 import com.clickhouse.client.api.insert.InsertSettings;
 import com.clickhouse.client.api.internal.DataTypeConverter;
@@ -1029,6 +1029,10 @@ public void testIntegerDataTypes() {
 
     @Test(groups = {"integration"})
     public void testFloatDataTypes() {
+        final boolean usesPreciseFloatParsing = isVersionMatch("[26.7,)");
+        final float expectedMaxFloat32 = usesPreciseFloatParsing ? Float.MAX_VALUE : 3.4028233E38F;
+        final double expectedMinFloat64 = usesPreciseFloatParsing ? Double.MIN_VALUE : 0.0D;
+
         final List<String> columns = Arrays.asList(
                 "min_float32 Float32",
                 "max_float32 Float32",
@@ -1060,12 +1064,12 @@ public void testFloatDataTypes() {
 
         });
         verifiers.add(r -> {
-            Assert.assertEquals(r.getFloat("max_float32"), 3.4028233E38F); // TODO: investigate why it's not Float.MAX_VALUE returned from server
-            Assert.assertEquals(r.getFloat(2), 3.4028233E38F);
+            Assert.assertEquals(r.getFloat("max_float32"), expectedMaxFloat32);
+            Assert.assertEquals(r.getFloat(2), expectedMaxFloat32);
         });
         verifiers.add(r -> {
-            Assert.assertEquals(r.getDouble("min_float64"), 0.0D); // TODO: investigate why it's not Double.MIN_VALUE returned from server
-            Assert.assertEquals(r.getDouble(3), 0.0D);
+            Assert.assertEquals(r.getDouble("min_float64"), expectedMinFloat64);
+            Assert.assertEquals(r.getDouble(3), expectedMinFloat64);
         });
         verifiers.add(r -> {
             Assert.assertEquals(r.getDouble("max_float64"), Double.MAX_VALUE);
diff --git a/pom.xml b/pom.xml
index a2a48964c..7e402d341 100644
--- a/pom.xml
+++ b/pom.xml
@@ -94,7 +94,7 @@
         <jctools.version>4.0.1</jctools.version>
         <opencensus.version>0.31.1</opencensus.version>
         <protobuf.version>3.23.4</protobuf.version>
-        <lz4.version>1.10.4</lz4.version>
+        <lz4.version>1.11.1</lz4.version>
         <msgpack.version>0.9.5</msgpack.version>
         <roaring-bitmap.version>1.0.6</roaring-bitmap.version>
         <slf4j.version>2.0.7</slf4j.version>