--- a/src/cx/common.h	Sun Nov 30 16:01:48 2025 +0100
+++ b/src/cx/common.h	Tue Dec 02 17:35:54 2025 +0100
@@ -80,10 +80,10 @@
 #define UCX_COMMON_H
 
 /** Major UCX version as integer constant. */
-#define UCX_VERSION_MAJOR   3
+#define UCX_VERSION_MAJOR   4
 
 /** Minor UCX version as integer constant. */
-#define UCX_VERSION_MINOR   1
+#define UCX_VERSION_MINOR   0
 
 /** Version constant which ensures to increase monotonically. */
 #define UCX_VERSION (((UCX_VERSION_MAJOR)<<16)|UCX_VERSION_MINOR)