diff --git a/pythainlp/__init__.py b/pythainlp/__init__.py
index 4ffd38a35..e0621cc49 100644
--- a/pythainlp/__init__.py
+++ b/pythainlp/__init__.py
@@ -17,7 +17,7 @@
 #
 # URL: <https://pythainlp.github.io/>
 # For license information, see LICENSE
-__version__ = "4.1.0dev0"
+__version__ = "4.1.0beta1"
 
 thai_consonants = "กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรลวศษสหฬอฮ"  # 44 chars
 
diff --git a/setup.cfg b/setup.cfg
index d06c56318..7b1fbbade 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.1.0dev0
+current_version = 4.1.0beta1
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\-(?P<release>[a-z]+)(?P<build>\d+))?
diff --git a/setup.py b/setup.py
index 546b10061..a78208dfb 100644
--- a/setup.py
+++ b/setup.py
@@ -171,7 +171,7 @@
 
 setup(
     name="pythainlp",
-    version="4.1.0dev0",
+    version="4.1.0beta1",
     description="Thai Natural Language Processing library",
     long_description=readme,
     long_description_content_type="text/markdown",
@@ -204,7 +204,7 @@
         "Thai language",
     ],
     classifiers=[
-        "Development Status :: 5 - Production/Stable",
+        "Development Status :: 4 - Beta",
         "Programming Language :: Python :: 3",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",