diff --git a/ChangeLog b/ChangeLog
index b6d5b4c..0d63832 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+0.4.1
+    Merged upstream patch:
+    https://github.com/zeromq/libzmq/pull/2322,
+    which fixes:
+    https://github.com/zeromq/libzmq/issues/903:
+    Problem: zmq_z85_decode does not validate its
+    input. Solution: added checks for invalid
+    characters and overflows.
+
 0.4.0
 	Changed -C again: doesnt support a key argument
 	anymore, instead I use the facilities I already
diff --git a/include/pcp/version.h b/include/pcp/version.h
index 80b1194..2576c4a 100644
--- a/include/pcp/version.h
+++ b/include/pcp/version.h
@@ -1,7 +1,7 @@
 /*
     This file is part of Pretty Curved Privacy (pcp1).
 
-    Copyright (C) 2013-2016 T.v.Dein.
+    Copyright (C) 2013-2017 T.v.Dein.
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -25,7 +25,7 @@
 
 #define PCP_VERSION_MAJOR 0
 #define PCP_VERSION_MINOR 4
-#define PCP_VERSION_PATCH 0
+#define PCP_VERSION_PATCH 1
 
 #define PCP_VERSION PCP_MAKE_VERSION(PCP_VERSION_MAJOR, PCP_VERSION_MINOR, PCP_VERSION_PATCH)
 #define PCP_MAKE_VERSION(major, minor, patch) ((major * 10000) + (minor * 100) + (patch))