diff --git a/.github/workflows/quality_assurance.yml b/.github/workflows/quality_assurance.yml
index ce8f595..13a9b2a 100644
--- a/.github/workflows/quality_assurance.yml
+++ b/.github/workflows/quality_assurance.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
     env:
       PYTHON: ${{ matrix.python-version }}
     steps:
diff --git a/.requirements/base.txt b/.requirements/base.txt
index e54b377..9ddeaee 100644
--- a/.requirements/base.txt
+++ b/.requirements/base.txt
@@ -1,8 +1,8 @@
-Django>=3.2,<5.0
+Django>=3.2,<6.0
 django-epsg-cache==0.2.1
 eulxml==1.1.3
 isodate==0.6.1
 camel-converter==3.1.1
-requests>=2.23.0,<2.30.0
-pygeofilter==0.2.1
+requests>=2.23.0,<2.32.0
+pygeofilter==0.2.4
 pygml==0.2.2
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 097eaa5..054e2f7 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -7,6 +7,25 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+[v0.15.0] - 2024-10-14
+----------------------
+
+Added
+~~~~~
+
+* cql filter possibility to csw `get_records_request` function.
+
+Changed
+~~~~~~~
+
+* increased django version support up to 5.1
+* increased requests support up to 2.31.0
+* increased pygeofilter support up to 0.2.4
+
+Removed
+~~~~~~~
+
+* python 3.8 and 3.9 support
 
 [v0.14.5] - 2024-04-03
 ----------------------
diff --git a/ows_lib/__init__.py b/ows_lib/__init__.py
index 7626f4c..3b0da66 100644
--- a/ows_lib/__init__.py
+++ b/ows_lib/__init__.py
@@ -1,2 +1,2 @@
-__version__ = "0.14.5"
+__version__ = "0.15.0"
 VERSION = __version__  # synonym
diff --git a/ows_lib/client/csw/mixins.py b/ows_lib/client/csw/mixins.py
index adc318b..7e2ce20 100644
--- a/ows_lib/client/csw/mixins.py
+++ b/ows_lib/client/csw/mixins.py
@@ -30,9 +30,9 @@ def get_records_request(
         output_schema: str = "http://www.isotc211.org/2005/gmd",
         element_set_name: str = "full",
         xml_constraint: str = None,
+        cql_constraint: str = None,
         max_records: int = None,
         start_position: int = None,
-
     ) -> OGCRequest:
 
         params = {
@@ -51,7 +51,12 @@ def get_records_request(
                 "CONSTRAINT_LANGUAGE_VERSION": "1.1.0",
                 "Constraint": xml_constraint
             })
-
+        elif cql_constraint:
+            params.update({
+                "constraintLanguage": "CQL_TEXT",
+                "CONSTRAINT_LANGUAGE_VERSION": "1.1.0",
+                "Constraint": cql_constraint
+            })
         if max_records:
             params.update({
                 "maxRecords": max_records
diff --git a/setup.py b/setup.py
index 0ace405..fee31f3 100644
--- a/setup.py
+++ b/setup.py
@@ -56,10 +56,10 @@ def get_version(package):
         "Development Status :: 3 - Alpha",
         "Intended Audience :: Developers",
         "Natural Language :: English",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Internet :: WWW/HTTP",
         "Environment :: Web Environment",
         "Framework :: Django",
diff --git a/tox.ini b/tox.ini
index 52c3e7d..0ccce4e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,7 @@
 requires =
     tox>=4
 env_list = 
-    py{38,39,310,311}-django{32,40,41,42}-requests{223,224,225,226,227,228,229}-pygeofilter{021}
+    py{310,311}-django{32,40,41,42,50,51}-requests{223,224,225,226,227,228,229,230,231,232}-pygeofilter{021}
 
 [testenv]
 description = run unit tests
@@ -11,6 +11,8 @@ deps=
     django40: Django>=4.0,<4.1
     django41: Django>=4.1,<4.2
     django42: Django>=4.2,<4.3
+    django50: Django>=5.0,<5.1
+    django51: Django>=5.1,<5.2
     requests223: requests>=2.23.0,<2.24.0
     requests224: requests>=2.24.0,<2.25.0
     requests225: requests>=2.25.0,<2.26.0
@@ -18,6 +20,9 @@ deps=
     requests227: requests>=2.27.0,<2.28.0
     requests228: requests>=2.28.0,<2.29.0
     requests229: requests>=2.29.0,<2.30.0
+    requests230: requests>=2.30.0,<2.31.0
+    requests231: requests>=2.31.0,<2.32.0
+    requests232: requests>=2.32.0,<2.33.0
     pygeofilter021: pygeofilter>=0.2.1,<0.3.0
     django-epsg-cache==0.2.1
     eulxml==1.1.3