diff --git a/README.md b/README.md
index 413e7c44..8ffe4359 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ check code blocks.  Please choose a branch to match the PostgreSQL version
 you will be building pg_rman against.
 
 * master : branch for PostgreSQL 15 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=master&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
-* REL_15_STABLE : branch for PostgreSQL 15 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=master&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
+* REL_15_STABLE : branch for PostgreSQL 15 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL_15_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
 * REL_14_STABLE : branch for PostgreSQL 14 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL_14_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
 * REL_13_STABLE : branch for PostgreSQL 13 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL_13_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
 * REL_12_STABLE : branch for PostgreSQL 12 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL_12_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
diff --git a/expected/option.out b/expected/option.out
index b1bf1615..9269e025 100644
--- a/expected/option.out
+++ b/expected/option.out
@@ -75,7 +75,7 @@ Report bugs to <http://github.com/ossc-db/pg_rman/issues>.
 
 ###### COMMAND OPTION TEST-0002 ######
 ###### version option ######
-pg_rman 1.3.14
+pg_rman 1.3.15
 1
 
 ###### COMMAND OPTION TEST-0003 ######
diff --git a/pg_rman.c b/pg_rman.c
index de09512a..fa7b6010 100644
--- a/pg_rman.c
+++ b/pg_rman.c
@@ -14,7 +14,7 @@
 #include <time.h>
 #include <sys/stat.h>
 
-const char *PROGRAM_VERSION	= "1.3.14";
+const char *PROGRAM_VERSION	= "1.3.15";
 const char *PROGRAM_URL		= "http://github.com/ossc-db/pg_rman";
 const char *PROGRAM_ISSUES	= "http://github.com/ossc-db/pg_rman/issues";