diff --git a/python-spec/requirements-py3.10.txt b/python-spec/requirements-py3.10.txt
index 12e7847..2419632 100644
--- a/python-spec/requirements-py3.10.txt
+++ b/python-spec/requirements-py3.10.txt
@@ -7,7 +7,7 @@ natsort==8.4.0
 numpy==2.2.3
 packaging==24.2
 pandas==2.2.3
-pyarrow==19.0.1
+pyarrow==23.0.1
 pyarrow-hotfix==0.6
 python-dateutil==2.9.0.post0
 pytz==2025.1
diff --git a/python-spec/requirements-py3.11.txt b/python-spec/requirements-py3.11.txt
index b20b06c..ff4fb4e 100644
--- a/python-spec/requirements-py3.11.txt
+++ b/python-spec/requirements-py3.11.txt
@@ -6,7 +6,7 @@ natsort==8.4.0
 numpy==2.2.3
 packaging==24.2
 pandas==2.2.3
-pyarrow==19.0.1
+pyarrow==23.0.1
 pyarrow-hotfix==0.6
 python-dateutil==2.9.0.post0
 pytz==2025.1
diff --git a/python-spec/requirements-py3.12-lint.txt b/python-spec/requirements-py3.12-lint.txt
index 8ffeb02..9f584c8 100644
--- a/python-spec/requirements-py3.12-lint.txt
+++ b/python-spec/requirements-py3.12-lint.txt
@@ -20,7 +20,7 @@ pandas-stubs==2.2.2.240807
 pathspec==0.12.1
 platformdirs==4.3.6
 pre_commit==4.1.0
-pyarrow==19.0.1
+pyarrow==23.0.1
 pyarrow-hotfix==0.6
 python-dateutil==2.9.0.post0
 pytz==2025.1
diff --git a/python-spec/requirements-py3.12.txt b/python-spec/requirements-py3.12.txt
index 6e97dbf..456122e 100644
--- a/python-spec/requirements-py3.12.txt
+++ b/python-spec/requirements-py3.12.txt
@@ -6,7 +6,7 @@ natsort==8.4.0
 numpy==2.2.3
 packaging==24.2
 pandas==2.2.3
-pyarrow==19.0.1
+pyarrow==23.0.1
 pyarrow-hotfix==0.6
 python-dateutil==2.9.0.post0
 pytz==2025.1
diff --git a/python-spec/requirements-py3.13.txt b/python-spec/requirements-py3.13.txt
index b20b06c..ff4fb4e 100644
--- a/python-spec/requirements-py3.13.txt
+++ b/python-spec/requirements-py3.13.txt
@@ -6,7 +6,7 @@ natsort==8.4.0
 numpy==2.2.3
 packaging==24.2
 pandas==2.2.3
-pyarrow==19.0.1
+pyarrow==23.0.1
 pyarrow-hotfix==0.6
 python-dateutil==2.9.0.post0
 pytz==2025.1
diff --git a/python-spec/requirements-py3.9.txt b/python-spec/requirements-py3.9.txt
index e3a0510..4de68b7 100644
--- a/python-spec/requirements-py3.9.txt
+++ b/python-spec/requirements-py3.9.txt
@@ -7,7 +7,7 @@ natsort==8.4.0
 numpy==2.0.2
 packaging==24.2
 pandas==2.2.3
-pyarrow==19.0.1
+pyarrow==23.0.1
 pyarrow-hotfix==0.6
 python-dateutil==2.9.0.post0
 pytz==2025.1