diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c21195c62..9d21a66b1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -71,6 +71,8 @@ jobs:
         uses: FreeRTOS/CI-CD-Github-Actions/coverage-cop@main
         with:
           coverage-file: ./test/unit-test/build/coverage.info
+          branch-coverage-min: 100
+          line-coverage-min: 100
 
   spell-check:
     runs-on: ubuntu-latest
diff --git a/test/unit-test/FreeRTOS_Sockets/FreeRTOS_Sockets_TCP_API_utest.c b/test/unit-test/FreeRTOS_Sockets/FreeRTOS_Sockets_TCP_API_utest.c
index f242720d8..8a562c408 100644
--- a/test/unit-test/FreeRTOS_Sockets/FreeRTOS_Sockets_TCP_API_utest.c
+++ b/test/unit-test/FreeRTOS_Sockets/FreeRTOS_Sockets_TCP_API_utest.c
@@ -1863,6 +1863,10 @@ void test_FreeRTOS_get_tx_base_InvalidParams( void )
     xSocket.ucProtocol = FREERTOS_IPPROTO_TCP;
     pucReturn = FreeRTOS_get_tx_base( &xSocket );
     TEST_ASSERT_EQUAL( NULL, pucReturn );
+
+    xSocket.u.xTCP.bits.bMallocError == pdTRUE_UNSIGNED;
+    pucReturn = FreeRTOS_get_tx_base( &xSocket );
+    TEST_ASSERT_EQUAL( NULL, pucReturn );
 }
 
 /**
diff --git a/test/unit-test/FreeRTOS_Sockets/FreeRTOS_Sockets_privates_utest.c b/test/unit-test/FreeRTOS_Sockets/FreeRTOS_Sockets_privates_utest.c
index 53ef4625a..8c7304893 100644
--- a/test/unit-test/FreeRTOS_Sockets/FreeRTOS_Sockets_privates_utest.c
+++ b/test/unit-test/FreeRTOS_Sockets/FreeRTOS_Sockets_privates_utest.c
@@ -591,7 +591,7 @@ void test_vSocketBind_TCP( void )
 /**
  * @brief Address passed is NULL.
  */
-void test_vSocketBind_TCPNULLAddress( void )
+void test_vSocketBind_TCPNULLAddress_v4( void )
 {
     BaseType_t xReturn;
     FreeRTOS_Socket_t xSocket;
@@ -603,6 +603,30 @@ void test_vSocketBind_TCPNULLAddress( void )
     memset( &xSocket, 0, sizeof( xSocket ) );
 
     xSocket.ucProtocol = ( uint8_t ) FREERTOS_IPPROTO_TCP;
+    xSocket.bits.bIsIPv6 = 0;
+
+    xApplicationGetRandomNumber_ExpectAnyArgsAndReturn( pdFALSE );
+    xReturn = vSocketBind( &xSocket, NULL, uxAddressLength, xInternal );
+
+    TEST_ASSERT_EQUAL( -pdFREERTOS_ERRNO_EADDRNOTAVAIL, xReturn );
+}
+
+/**
+ * @brief Address passed is NULL.
+ */
+void test_vSocketBind_TCPNULLAddress_v6( void )
+{
+    BaseType_t xReturn;
+    FreeRTOS_Socket_t xSocket;
+    struct freertos_sockaddr xBindAddress;
+    size_t uxAddressLength;
+    BaseType_t xInternal = pdFALSE;
+
+    memset( &xBindAddress, 0xFC, sizeof( xBindAddress ) );
+    memset( &xSocket, 0, sizeof( xSocket ) );
+
+    xSocket.ucProtocol = ( uint8_t ) FREERTOS_IPPROTO_TCP;
+    xSocket.bits.bIsIPv6 = 1;
 
     xApplicationGetRandomNumber_ExpectAnyArgsAndReturn( pdFALSE );
     xReturn = vSocketBind( &xSocket, NULL, uxAddressLength, xInternal );