diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cb7594..dd555f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.24.0] - 2022-0514
+- rename the "master" branch of riscv-arch-test to "main"  
+
 ## [1.23.4] - 2022-02-24
 - fixed doc dependency on mistune for successful RTD build
 
diff --git a/riscof/__init__.py b/riscof/__init__.py
index 9a65dea..a92aa25 100644
--- a/riscof/__init__.py
+++ b/riscof/__init__.py
@@ -4,4 +4,4 @@
 
 __author__ = """InCore Semiconductors Pvt Ltd"""
 __email__ = 'info@incoresemi.com'
-__version__ = '1.23.4'
+__version__ = '1.24.0'
diff --git a/riscof/arch_test.py b/riscof/arch_test.py
index 20017be..8cff511 100644
--- a/riscof/arch_test.py
+++ b/riscof/arch_test.py
@@ -29,16 +29,16 @@ def get_version(path):
             success = True
         else:
             logger.debug("Repository is not the official RISCV Architectural Test suite or the \
-branch is not the master branch.")
+branch is not the main branch.")
     return ver_dict,success
 
-def update(path,branch='master'):
+def update(path,branch='main'):
     version,is_repo = get_version(path)
     if is_repo:
         logger.debug("Current version of the repository: " + version['version'])
         logger.debug("Current commit hash of the repository: " + version['commit'])
         repo = git.Repo(path)
-        repo.git.pull('origin','master')
+        repo.git.pull('origin','main')
         latest_tag = (repo.tags)[-1]
         checkout_target = latest_tag if branch=='latest' else branch
         repo.git.checkout(checkout_target)
@@ -48,7 +48,7 @@ def update(path,branch='master'):
     else:
         logger.info("Directory does not contain the riscv-arch-test repo.")
 
-def clone(path,branch="master"):
+def clone(path,branch="main"):
     logger.info("Clonning repository at "+str(path))
     repo = git.Repo.clone_from(constants.https_url, path)
     latest_tag = (repo.tags)[-1]
diff --git a/setup.cfg b/setup.cfg
index 45feb34..c8ee5d8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.23.4
+current_version = 1.24.0
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 81a4e3e..b91926d 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@ def read_requires():
 test_requirements = [ ]
 
 setup(name="riscof",
-      version='1.23.4',
+      version='1.24.0',
       description="RISC-V Architectural Test Framework",
       long_description=readme + '\n\n',
       classifiers=[