diff --git a/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/HttpTimeoutTest.kt b/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/HttpTimeoutTest.kt
index d4c60278f..151da0cc1 100644
--- a/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/HttpTimeoutTest.kt
+++ b/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/HttpTimeoutTest.kt
@@ -22,12 +22,12 @@ class HttpTimeoutTest : ClientLoader() {
     @Test
     fun testGet() = clientTests {
         config {
-            install(HttpTimeout) { requestTimeoutMillis = 500 }
+            install(HttpTimeout) { requestTimeoutMillis = 1000 }
         }
 
         test { client ->
             val response = client.get<String>("$TEST_URL/with-delay") {
-                parameter("delay", 10)
+                parameter("delay", 20)
             }
             assertEquals("Text", response)
         }
@@ -39,7 +39,7 @@ class HttpTimeoutTest : ClientLoader() {
             val requestBuilder = HttpRequestBuilder().apply {
                 method = HttpMethod.Get
                 url("$TEST_URL/404")
-                parameter("delay", 10)
+                parameter("delay", 20)
             }
 
             val job = requestBuilder.executionContext
@@ -165,7 +165,7 @@ class HttpTimeoutTest : ClientLoader() {
     @Test
     fun testGetWithSeparateReceive() = clientTests {
         config {
-            install(HttpTimeout) { requestTimeoutMillis = 500 }
+            install(HttpTimeout) { requestTimeoutMillis = 1000 }
         }
 
         test { client ->
@@ -190,7 +190,7 @@ class HttpTimeoutTest : ClientLoader() {
                 method = HttpMethod.Get
                 parameter("delay", 10)
 
-                timeout { requestTimeoutMillis = 500 }
+                timeout { requestTimeoutMillis = 1000 }
             }
             val result: String = response.receive()
 
@@ -237,7 +237,7 @@ class HttpTimeoutTest : ClientLoader() {
     @Test
     fun testGetStream() = clientTests {
         config {
-            install(HttpTimeout) { requestTimeoutMillis = 500 }
+            install(HttpTimeout) { requestTimeoutMillis = 1000 }
         }
 
         test { client ->
@@ -259,7 +259,7 @@ class HttpTimeoutTest : ClientLoader() {
             val response = client.get<ByteArray>("$TEST_URL/with-stream") {
                 parameter("delay", 10)
 
-                timeout { requestTimeoutMillis = 500 }
+                timeout { requestTimeoutMillis = 1000 }
             }
 
             assertEquals("Text", String(response))
@@ -269,13 +269,13 @@ class HttpTimeoutTest : ClientLoader() {
     @Test
     fun testGetStreamRequestTimeout() = clientTests {
         config {
-            install(HttpTimeout) { requestTimeoutMillis = 500 }
+            install(HttpTimeout) { requestTimeoutMillis = 1000 }
         }
 
         test { client ->
             assertFailsAndContainsCause<HttpRequestTimeoutException> {
                 client.get<ByteArray>("$TEST_URL/with-stream") {
-                    parameter("delay", 200)
+                    parameter("delay", 400)
                 }
             }
         }
@@ -290,9 +290,9 @@ class HttpTimeoutTest : ClientLoader() {
         test { client ->
             assertFailsAndContainsCause<HttpRequestTimeoutException> {
                 client.get<ByteArray>("$TEST_URL/with-stream") {
-                    parameter("delay", 200)
+                    parameter("delay", 400)
 
-                    timeout { requestTimeoutMillis = 500 }
+                    timeout { requestTimeoutMillis = 1000 }
                 }
             }
         }
@@ -301,12 +301,12 @@ class HttpTimeoutTest : ClientLoader() {
     @Test
     fun testRedirect() = clientTests {
         config {
-            install(HttpTimeout) { requestTimeoutMillis = 500 }
+            install(HttpTimeout) { requestTimeoutMillis = 1000 }
         }
 
         test { client ->
             val response = client.get<String>("$TEST_URL/with-redirect") {
-                parameter("delay", 10)
+                parameter("delay", 20)
                 parameter("count", 2)
             }
 
@@ -322,10 +322,10 @@ class HttpTimeoutTest : ClientLoader() {
 
         test { client ->
             val response = client.get<String>("$TEST_URL/with-redirect") {
-                parameter("delay", 10)
+                parameter("delay", 20)
                 parameter("count", 2)
 
-                timeout { requestTimeoutMillis = 500 }
+                timeout { requestTimeoutMillis = 1000 }
             }
             assertEquals("Text", response)
         }
@@ -334,13 +334,13 @@ class HttpTimeoutTest : ClientLoader() {
     @Test
     fun testRedirectRequestTimeoutOnFirstStep() = clientTests {
         config {
-            install(HttpTimeout) { requestTimeoutMillis = 10 }
+            install(HttpTimeout) { requestTimeoutMillis = 20 }
         }
 
         test { client ->
             assertFailsAndContainsCause<HttpRequestTimeoutException> {
                 client.get<String>("$TEST_URL/with-redirect") {
-                    parameter("delay", 500)
+                    parameter("delay", 1000)
                     parameter("count", 5)
                 }
             }
@@ -356,10 +356,10 @@ class HttpTimeoutTest : ClientLoader() {
         test { client ->
             assertFailsAndContainsCause<HttpRequestTimeoutException> {
                 client.get<String>("$TEST_URL/with-redirect") {
-                    parameter("delay", 500)
+                    parameter("delay", 1000)
                     parameter("count", 5)
 
-                    timeout { requestTimeoutMillis = 10 }
+                    timeout { requestTimeoutMillis = 20 }
                 }
             }
         }
@@ -368,13 +368,13 @@ class HttpTimeoutTest : ClientLoader() {
     @Test
     fun testRedirectRequestTimeoutOnSecondStep() = clientTests {
         config {
-            install(HttpTimeout) { requestTimeoutMillis = 200 }
+            install(HttpTimeout) { requestTimeoutMillis = 400 }
         }
 
         test { client ->
             assertFailsAndContainsCause<HttpRequestTimeoutException> {
                 client.get<String>("$TEST_URL/with-redirect") {
-                    parameter("delay", 250)
+                    parameter("delay", 500)
                     parameter("count", 5)
                 }
             }
@@ -390,10 +390,10 @@ class HttpTimeoutTest : ClientLoader() {
         test { client ->
             assertFailsAndContainsCause<HttpRequestTimeoutException> {
                 client.get<String>("$TEST_URL/with-redirect") {
-                    parameter("delay", 250)
+                    parameter("delay", 500)
                     parameter("count", 5)
 
-                    timeout { requestTimeoutMillis = 200 }
+                    timeout { requestTimeoutMillis = 400 }
                 }
             }
         }