diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index a124ce22..3d1b51e7 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,6 +9,7 @@ kotlinpoet = "1.14.2"
 mavenplugin = "0.25.3"
 moshi = "1.15.0"
 okhttp = "4.12.0"
+okhttp-junit = "5.0.0-alpha.11"
 okio = "3.6.0"
 protobuf = "3.25.0"
 slf4j = "2.0.9"
@@ -46,6 +47,7 @@ moshiKotlinCodegen = { module = "com.squareup.moshi:moshi-kotlin-codegen", versi
 okhttp-core = { module = "com.squareup.okhttp3:okhttp", version.ref = "okhttp" }
 okhttp-tls = { module = "com.squareup.okhttp3:okhttp-tls", version.ref = "okhttp" }
 okhttp-mockwebserver = { module = "com.squareup.okhttp3:mockwebserver", version.ref = "okhttp" }
+okhttp-mockwebserver-junit4 = { module = "com.squareup.okhttp3:mockwebserver3-junit4", version.ref = "okhttp-junit" }
 okio-core = { module = "com.squareup.okio:okio", version.ref = "okio" }
 protobuf-java = { module = "com.google.protobuf:protobuf-java", version.ref = "protobuf" }
 protobuf-java-util = { module = "com.google.protobuf:protobuf-java-util", version.ref = "protobuf" }
diff --git a/okhttp/build.gradle.kts b/okhttp/build.gradle.kts
index e39dcd76..37df48de 100644
--- a/okhttp/build.gradle.kts
+++ b/okhttp/build.gradle.kts
@@ -19,6 +19,7 @@ dependencies {
 
     testImplementation(libs.assertj)
     testImplementation(libs.okhttp.mockwebserver)
+    testImplementation(libs.okhttp.mockwebserver.junit4)
     testImplementation(libs.kotlin.coroutines.test)
     testImplementation(project(":extensions:google-java"))
     testImplementation(project(":examples:generated-google-java"))
diff --git a/okhttp/src/test/kotlin/com/connectrpc/okhttp/MockWebServerTests.kt b/okhttp/src/test/kotlin/com/connectrpc/okhttp/MockWebServerTests.kt
index 4c895935..8730cddb 100644
--- a/okhttp/src/test/kotlin/com/connectrpc/okhttp/MockWebServerTests.kt
+++ b/okhttp/src/test/kotlin/com/connectrpc/okhttp/MockWebServerTests.kt
@@ -24,21 +24,21 @@ import com.connectrpc.extensions.GoogleJavaProtobufStrategy
 import com.connectrpc.impl.ProtocolClient
 import com.connectrpc.protocols.NetworkProtocol
 import kotlinx.coroutines.test.runTest
+import mockwebserver3.MockResponse
+import mockwebserver3.junit4.MockWebServerRule
 import okhttp3.OkHttpClient
 import okhttp3.Protocol
-import okhttp3.mockwebserver.MockResponse
-import okhttp3.mockwebserver.MockWebServer
 import org.assertj.core.api.Assertions.assertThat
+import org.junit.Rule
 import org.junit.Test
 
 class MockWebServerTests {
 
+    @get:Rule val mockWebServerRule = MockWebServerRule()
+
     @Test
     fun `compressed empty failure response is parsed correctly`() = runTest {
-        val mockWebServer = MockWebServer()
-        mockWebServer.start()
-
-        mockWebServer.enqueue(
+        mockWebServerRule.server.enqueue(
             MockResponse().apply {
                 addHeader("accept-encoding", "gzip")
                 addHeader("content-encoding", "gzip")
@@ -47,7 +47,7 @@ class MockWebServerTests {
             },
         )
 
-        val host = mockWebServer.url("/")
+        val host = mockWebServerRule.server.url("/")
 
         val protocolClient = ProtocolClient(
             ConnectOkHttpClient(
@@ -66,12 +66,10 @@ class MockWebServerTests {
 
         val response = ElizaServiceClient(protocolClient).say(sayRequest { sentence = "hello" })
 
-        mockWebServer.takeRequest().apply {
+        mockWebServerRule.server.takeRequest().apply {
             assertThat(path).isEqualTo("/connectrpc.eliza.v1.ElizaService/Say")
         }
 
         assertThat(response.code).isEqualTo(Code.UNKNOWN)
-
-        mockWebServer.shutdown()
     }
 }
\ No newline at end of file