diff --git a/ser2net-4.2.0.tar.gz b/ser2net-4.2.0.tar.gz
deleted file mode 100644
index 92b5811..0000000
--- a/ser2net-4.2.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:104e0b781f0a2f5e4e423a2660e505b4249b5ffd1d5b963b659b4623384b4d8f
-size 128317
diff --git a/ser2net-4.2.1.tar.gz b/ser2net-4.2.1.tar.gz
new file mode 100644
index 0000000..9432b0d
--- /dev/null
+++ b/ser2net-4.2.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fc2395948440680e83271ea2df9b9d21b7536e379d49168630b869e32dc7d6e1
+size 132936
diff --git a/ser2net.changes b/ser2net.changes
index aac8f4f..3f47f86 100644
--- a/ser2net.changes
+++ b/ser2net.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Sun Aug  9 14:31:22 UTC 2020 - Martin Hauke <mardnh@gmx.de>
+
+- Update to version 4.2.0
+  controller:
+  * Added a yaml mode for the controller interface. This should
+    make having a program talk to the controller much easier.
+  * In yaml mode for the controller interface, add asychronous
+    notifications to know if anything connects or disconnects.
+
 -------------------------------------------------------------------
 Wed Jul  8 18:53:31 UTC 2020 - Martin Hauke <mardnh@gmx.de>
 
diff --git a/ser2net.spec b/ser2net.spec
index 8efc6af..f3bf62b 100644
--- a/ser2net.spec
+++ b/ser2net.spec
@@ -17,7 +17,7 @@
 
 
 Name:           ser2net
-Version:        4.2.0
+Version:        4.2.1
 Release:        0
 Summary:        Serial port to network proxy
 License:        GPL-2.0-or-later