diff --git a/TESTS/netsocket/tcp/tcpsocket_echotest.cpp b/TESTS/netsocket/tcp/tcpsocket_echotest.cpp
index 30c773567f..d982c25d1b 100644
--- a/TESTS/netsocket/tcp/tcpsocket_echotest.cpp
+++ b/TESTS/netsocket/tcp/tcpsocket_echotest.cpp
@@ -26,7 +26,7 @@ using namespace utest::v1;
 
 namespace {
 static const int SIGNAL_SIGIO = 0x1;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 
 static const int BUFF_SIZE = 1200;
 static const int PKTS = 22;
diff --git a/TESTS/netsocket/tcp/tcpsocket_echotest_burst.cpp b/TESTS/netsocket/tcp/tcpsocket_echotest_burst.cpp
index 06f749c26b..fa86fa63a3 100644
--- a/TESTS/netsocket/tcp/tcpsocket_echotest_burst.cpp
+++ b/TESTS/netsocket/tcp/tcpsocket_echotest_burst.cpp
@@ -26,7 +26,7 @@ using namespace utest::v1;
 
 namespace {
 static const int SIGNAL_SIGIO = 0x1;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 
 static const int BURST_CNT = 100;
 static const int BURST_SIZE = 1220;
diff --git a/TESTS/netsocket/tcp/tcpsocket_endpoint_close.cpp b/TESTS/netsocket/tcp/tcpsocket_endpoint_close.cpp
index 8dfc295328..88e40f699a 100644
--- a/TESTS/netsocket/tcp/tcpsocket_endpoint_close.cpp
+++ b/TESTS/netsocket/tcp/tcpsocket_endpoint_close.cpp
@@ -26,7 +26,7 @@ using namespace utest::v1;
 
 namespace {
 static const int SIGNAL_SIGIO = 0x1;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 }
 
 static void _sigio_handler(osThreadId id)
diff --git a/TESTS/netsocket/tcp/tcpsocket_recv_timeout.cpp b/TESTS/netsocket/tcp/tcpsocket_recv_timeout.cpp
index 4fd0008c03..46760bac03 100644
--- a/TESTS/netsocket/tcp/tcpsocket_recv_timeout.cpp
+++ b/TESTS/netsocket/tcp/tcpsocket_recv_timeout.cpp
@@ -26,7 +26,7 @@ using namespace utest::v1;
 
 namespace {
 static const int SIGNAL_SIGIO = 0x1;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 }
 
 static void _sigio_handler(osThreadId id)
diff --git a/TESTS/netsocket/tcp/tcpsocket_thread_per_socket_safety.cpp b/TESTS/netsocket/tcp/tcpsocket_thread_per_socket_safety.cpp
index 969e267a10..a4a29d3ccc 100644
--- a/TESTS/netsocket/tcp/tcpsocket_thread_per_socket_safety.cpp
+++ b/TESTS/netsocket/tcp/tcpsocket_thread_per_socket_safety.cpp
@@ -27,7 +27,7 @@ using namespace utest::v1;
 namespace {
 static const int SIGNAL_SIGIO1 = 0x1;
 static const int SIGNAL_SIGIO2 = 0x2;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 
 Thread thread(osPriorityNormal, tcp_global::TCP_OS_STACK_SIZE);
 volatile bool running = true;