diff --git a/CITATION.cff b/CITATION.cff
index 10bd06836..7113feb53 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -45,5 +45,5 @@ keywords:
   - "Thai language"
   - "Thai NLP"
 license: Apache-2.0
-version: 5.1.0-beta1
-date-released: "2024-12-27"
+version: 5.1.0-beta2
+date-released: "2025-02-09"
diff --git a/codemeta.json b/codemeta.json
index 3d651aca9..72328792e 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -3,7 +3,7 @@
   "@type": "SoftwareSourceCode",
   "name": "PyThaiNLP",
   "description": "Thai Natural Language Processing in Python",
-  "version": "5.1.0-beta1",
+  "version": "5.1.0-beta2",
   "author": [
     {
       "@type": "Person",
diff --git a/pythainlp/__init__.py b/pythainlp/__init__.py
index 1bb381301..a7fa3c701 100644
--- a/pythainlp/__init__.py
+++ b/pythainlp/__init__.py
@@ -2,7 +2,7 @@
 # SPDX-FileCopyrightText: 2016-2025 PyThaiNLP Project
 # SPDX-FileType: SOURCE
 # SPDX-License-Identifier: Apache-2.0
-__version__ = "5.1.0-beta1"
+__version__ = "5.1.0-beta2"
 
 thai_consonants = "กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรลวศษสหฬอฮ"  # 44 chars
 
diff --git a/release.md b/release.md
index 81b4e3dd2..c9c80a3a6 100644
--- a/release.md
+++ b/release.md
@@ -10,6 +10,7 @@
     - `README.md`
     - `README.TH.md`
     - `CHANGELOG.md`
+    - `codemeta.json`
 2. Navigate to the
   [releases page][releases] and
    click the "Draft a new release" button.
diff --git a/setup.cfg b/setup.cfg
index 904dfd2f7..adda69820 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 5.1.0-beta1
+current_version = 5.1.0-beta2
 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 512acf848..56e58b316 100644
--- a/setup.py
+++ b/setup.py
@@ -150,7 +150,7 @@
 
 setup(
     name="pythainlp",
-    version="5.1.0-beta1",
+    version="5.1.0-beta2",
     description="Thai Natural Language Processing library",
     long_description=LONG_DESC,
     long_description_content_type="text/markdown",