diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2107124..f633059 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 # Go Library
 
-## [v1.14.5 - 2024-08-18]
+## [v1.14.6 - 2024-08-18]
 ### Changed
-- netlib: change docker network range
+- netlib,dblib: change docker network range
 - update dependencies
 ### Fixed
 - fix new linter issues
diff --git a/dblib/tns_dns_docker_test.go b/dblib/tns_dns_docker_test.go
index bc88e49..e4312d5 100644
--- a/dblib/tns_dns_docker_test.go
+++ b/dblib/tns_dns_docker_test.go
@@ -18,6 +18,7 @@ import (
 
 const dblibDNSContainerTimeout = 10
 const dblibNetworkName = "dblib-dns"
+const dblibNetworkPrefix = "172.24.0"
 
 var dblibDNSContainerName string
 var dblibDNSContainer *dockertest.Resource
@@ -49,8 +50,8 @@ func prepareDNSContainer() (container *dockertest.Resource, err error) {
 			options.IPAM = &docker.IPAMOptions{
 				Driver: "default",
 				Config: []docker.IPAMConfig{{
-					Subnet:  "172.24.0.0/16",
-					Gateway: "172.24.0.1",
+					Subnet:  dblibNetworkPrefix + ".0/24",
+					Gateway: dblibNetworkPrefix + ".1",
 				}},
 			}
 			options.EnableIPv6 = false
@@ -89,22 +90,6 @@ func prepareDNSContainer() (container *dockertest.Resource, err error) {
 			Name:         dblibDNSContainerName,
 			Networks:     []*dockertest.Network{dblibDNSNetwork},
 			ExposedPorts: []string{"53/tcp", "53/udp", "953/tcp"},
-
-			/*
-				// need fixed mapping here
-				PortBindings: map[docker.Port][]docker.PortBinding{
-					"53/tcp": {
-						{HostIP: "0.0.0.0", HostPort: dblibDNSPort},
-					},
-
-					"53/udp": {
-						{HostIP: "0.0.0.0", HostPort: dblibDNSPort},
-					},
-					"953/tcp": {
-						{HostIP: "127.0.0.1", HostPort: "953"},
-					},
-				},
-			*/
 		}, func(config *docker.HostConfig) {
 			// set AutoRemove to true so that stopped container goes away by itself
 			config.AutoRemove = true
@@ -117,7 +102,7 @@ func prepareDNSContainer() (container *dockertest.Resource, err error) {
 	}
 	// ip := container.Container.NetworkSettings.Networks[dblibNetworkName].IPAddress
 	ip := container.GetIPInNetwork(dblibDNSNetwork)
-	if ip != "172.24.0.2" {
+	if ip != dblibNetworkPrefix+".2" {
 		err = fmt.Errorf("internal ip not as expected: %s", ip)
 		return
 	}
diff --git a/netlib/dns_docker_test.go b/netlib/dns_docker_test.go
index 4b46c4d..202d1c4 100644
--- a/netlib/dns_docker_test.go
+++ b/netlib/dns_docker_test.go
@@ -91,22 +91,6 @@ func prepareNetlibDNSContainer() (container *dockertest.Resource, err error) {
 			Name:         netlibDNSContainerName,
 			Networks:     []*dockertest.Network{netlibDNSNetwork},
 			ExposedPorts: []string{"53/tcp", "53/udp", "953/tcp"},
-
-			/*
-				// need fixed mapping here
-				PortBindings: map[docker.Port][]docker.PortBinding{
-					"53/tcp": {
-						{HostIP: "0.0.0.0", HostPort: netlibDNSPort},
-					},
-
-					"53/udp": {
-						{HostIP: "0.0.0.0", HostPort: netlibDNSPort},
-					},
-					"953/tcp": {
-						{HostIP: "127.0.0.1", HostPort: "953"},
-					},
-				},
-			*/
 		}, func(config *docker.HostConfig) {
 			// set AutoRemove to true so that stopped container goes away by itself
 			config.AutoRemove = true
@@ -119,7 +103,7 @@ func prepareNetlibDNSContainer() (container *dockertest.Resource, err error) {
 	}
 	// ip := container.Container.NetworkSettings.Networks[netlibNetworkName].IPAddress
 	ip := container.GetIPInNetwork(netlibDNSNetwork)
-	if ip != "172.25.0.2" {
+	if ip != netlibNetworkPrefix+".2" {
 		err = fmt.Errorf("internal ip not as expected: %s", ip)
 		return
 	}