diff --git a/configure.ac b/configure.ac
index 6cbab0a2ca6..8714eb69e5c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,7 +10,7 @@ AC_PREREQ([2.63])
 
 define([ucx_ver_major], 1)
 define([ucx_ver_minor], 5)
-define([ucx_ver_patch], 0)
+define([ucx_ver_patch], 1)
 define([ts], esyscmd([sh -c "date +%Y%m%d%H%M%S"]))
 
 # This is the API version (see libtool library versioning)