diff --git a/.github/workflows/Python tests.yml b/.github/workflows/Python tests.yml
index 5a8cf76e..81eac327 100644
--- a/.github/workflows/Python tests.yml	
+++ b/.github/workflows/Python tests.yml	
@@ -21,7 +21,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        python-version: [3.8.x, 3.9.x, 3.11.x]
+        python-version: [3.8.x, 3.9.x, 3.11.x, 3.12.x]
         exclude:
           - os: windows-latest
             python-version: 3.8.x
@@ -78,4 +78,4 @@ jobs:
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3
         with:
-          fail_ci_if_error: true
\ No newline at end of file
+          fail_ci_if_error: true
diff --git a/python/pdstools/__init__.py b/python/pdstools/__init__.py
index 1408ef35..6a4f62d3 100644
--- a/python/pdstools/__init__.py
+++ b/python/pdstools/__init__.py
@@ -1,6 +1,6 @@
 """Python pdstools"""
 
-__version__ = "3.2.7"
+__version__ = "3.3.0"
 
 from polars import enable_string_cache
 
diff --git a/python/requirements.txt b/python/requirements.txt
index 701d74f0..b66d9250 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -3,7 +3,7 @@ plotly>=5.5.0
 requests
 pydot
 tqdm
-polars>=0.20.0, <0.21.0
+polars>=0.20.0,<=0.20.2
 pyarrow
 pyyaml
 aioboto3>=11.0