diff --git a/coap-mbedtls/build.gradle.kts b/coap-mbedtls/build.gradle.kts
index 1c94637b..4db763fd 100644
--- a/coap-mbedtls/build.gradle.kts
+++ b/coap-mbedtls/build.gradle.kts
@@ -6,8 +6,8 @@ description = "coap-mbedtls"
 
 dependencies {
     api(project(":coap-core"))
-    api("io.github.open-coap:kotlin-mbedtls:1.28.0")
-    api("io.github.open-coap:kotlin-mbedtls-netty:1.28.0")
+    api("io.github.open-coap:kotlin-mbedtls:1.29.1")
+    api("io.github.open-coap:kotlin-mbedtls-netty:1.29.1")
 
     testImplementation(project(":coap-netty"))
 
diff --git a/coap-mbedtls/src/test/java/org/opencoap/transport/mbedtls/MbedtlsNettyTest.java b/coap-mbedtls/src/test/java/org/opencoap/transport/mbedtls/MbedtlsNettyTest.java
index ba3bfdc7..7829a6d8 100644
--- a/coap-mbedtls/src/test/java/org/opencoap/transport/mbedtls/MbedtlsNettyTest.java
+++ b/coap-mbedtls/src/test/java/org/opencoap/transport/mbedtls/MbedtlsNettyTest.java
@@ -242,7 +242,7 @@ private Bootstrap createClientBootstrap(InetSocketAddress destinationAddress) {
                 .handler(new ChannelInitializer<DatagramChannel>() {
                     @Override
                     protected void initChannel(DatagramChannel ch) {
-                        ch.pipeline().addFirst("DTLS", new DtlsClientHandshakeChannelHandler(clientConf.newContext(destinationAddress), destinationAddress, SessionWriter.NO_OPS));
+                        ch.pipeline().addFirst("DTLS", new DtlsClientHandshakeChannelHandler(clientConf, SessionWriter.NO_OPS));
                     }
                 });
     }
diff --git a/coap-mbedtls/src/test/java/org/opencoap/transport/mbedtls/MultithreadedMbedtlsNettyTest.java b/coap-mbedtls/src/test/java/org/opencoap/transport/mbedtls/MultithreadedMbedtlsNettyTest.java
index 22c5a8f7..d965a560 100644
--- a/coap-mbedtls/src/test/java/org/opencoap/transport/mbedtls/MultithreadedMbedtlsNettyTest.java
+++ b/coap-mbedtls/src/test/java/org/opencoap/transport/mbedtls/MultithreadedMbedtlsNettyTest.java
@@ -114,7 +114,7 @@ private String connectAndReadCurrentThreadName() throws IOException, CoapExcepti
                 .handler(new ChannelInitializer<DatagramChannel>() {
                     @Override
                     protected void initChannel(DatagramChannel ch) {
-                        ch.pipeline().addFirst("DTLS", new DtlsClientHandshakeChannelHandler(clientConf.newContext(serverAddress), serverAddress, SessionWriter.NO_OPS));
+                        ch.pipeline().addFirst("DTLS", new DtlsClientHandshakeChannelHandler(clientConf, SessionWriter.NO_OPS));
                     }
                 });