diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 79967b7..0a1415c 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -2,10 +2,13 @@ version: 2
 updates:
 - package-ecosystem: pip
   directory: "/"
+  exclude-paths:
+      - "requirements-dev.txt"
+      - "setup.py"
   schedule:
     interval: weekly
     time: "01:30"
-  open-pull-requests-limit: 10
+  open-pull-requests-limit: 5
   target-branch: dev
   assignees:
       - "sepandhaghighi"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 11a8e72..885f86a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -36,10 +36,9 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install .
-      - name: Test requirements installation
+      - name: Dev requirements installation
         run: |
-          python otherfiles/requirements-splitter.py
-          pip install --upgrade --upgrade-strategy=only-if-needed -r test-requirements.txt
+          pip install --upgrade --upgrade-strategy=only-if-needed -r requirements-dev.txt
       - name: Test with pytest 
         run: |
           python -m pytest . --cov=rokh --cov-report=term
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1975359..fe37d31 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- Dependencies structure modified
 ## [0.4] - 2026-04-29
 ### Added
 - Bahesab calendar events
diff --git a/dev-requirements.txt b/requirements-dev.txt
similarity index 73%
rename from dev-requirements.txt
rename to requirements-dev.txt
index 696d541..be8ba00 100644
--- a/dev-requirements.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,3 @@
-jdatetime==5.2.0
-hijridate==2.5.0
 setuptools>=40.8.0
 vulture>=1.0
 bandit>=1.5.1
diff --git a/requirements-latest.txt b/requirements-latest.txt
new file mode 100644
index 0000000..0692254
--- /dev/null
+++ b/requirements-latest.txt
@@ -0,0 +1,2 @@
+jdatetime==5.2.0
+hijridate==2.5.0
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index bccc865..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-jdatetime>=3.8.2
-hijridate>=2.3.0
diff --git a/setup.py b/setup.py
index 79054cb..2fd7365 100644
--- a/setup.py
+++ b/setup.py
@@ -1,16 +1,6 @@
 # -*- coding: utf-8 -*-
 """Setup module."""
-try:
-    from setuptools import setup
-except ImportError:
-    from distutils.core import setup
-
-
-def get_requires() -> list:
-    """Read requirements.txt."""
-    requirements = open("requirements.txt", "r").read()
-    return list(filter(lambda x: x != "", requirements.split()))
-
+from setuptools import setup
 
 def read_description() -> str:
     """Read README.md and CHANGELOG.md."""
@@ -40,11 +30,14 @@ def read_description() -> str:
     author_email='rokh@openscilab.com',
     url='https://github.com/openscilab/rokh',
     download_url='https://github.com/openscilab/rokh/tarball/v0.4',
-    keywords="events date date-system calendar gregorian hijri jalali",
+    keywords='events date date-system calendar gregorian hijri jalali',
     project_urls={
-            'Source': 'https://github.com/openscilab/rokh',
+        'Source': 'https://github.com/openscilab/rokh',
     },
-    install_requires=get_requires(),
+    install_requires=[
+        'jdatetime>=3.8.2',
+        'hijridate>=2.3.0'
+    ],
     python_requires='>=3.7',
     classifiers=[
         'Development Status :: 3 - Alpha',