diff --git a/.github/workflows/cratedb-cloud.yml b/.github/workflows/cratedb-cloud.yml
index a6bad437..e742c7ae 100644
--- a/.github/workflows/cratedb-cloud.yml
+++ b/.github/workflows/cratedb-cloud.yml
@@ -28,7 +28,7 @@ jobs:
       matrix:
         os: ["ubuntu-latest"]
         python-version: [
-          "3.13",
+          "3.14",
         ]
 
     env:
diff --git a/.github/workflows/dynamodb.yml b/.github/workflows/dynamodb.yml
index 6fdf7078..e6059cfa 100644
--- a/.github/workflows/dynamodb.yml
+++ b/.github/workflows/dynamodb.yml
@@ -39,7 +39,7 @@ jobs:
         os: ["ubuntu-latest"]
         python-version: [
           "3.10",
-          "3.13",
+          "3.14",
         ]
         localstack-version: ["4.5"]
 
diff --git a/.github/workflows/influxdb.yml b/.github/workflows/influxdb.yml
index ca340cd9..829eed6d 100644
--- a/.github/workflows/influxdb.yml
+++ b/.github/workflows/influxdb.yml
@@ -39,7 +39,7 @@ jobs:
         os: ["ubuntu-latest"]
         python-version: [
           "3.9",
-          "3.13",
+          "3.14",
         ]
         influxdb-version: ["2.6", "2.7"]
 
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2fa364bb..f4200eba 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,7 +29,7 @@ jobs:
         os: ["ubuntu-latest"]
         python-version: [
           "3.9",
-          "3.13",
+          "3.14",
         ]
 
     env:
diff --git a/.github/workflows/release-app.yml b/.github/workflows/release-app.yml
index bdd5a473..816ccd00 100644
--- a/.github/workflows/release-app.yml
+++ b/.github/workflows/release-app.yml
@@ -9,6 +9,11 @@ on:
     tags:
       - '*'
 
+# Cancel in-progress jobs when pushing to the same branch.
+concurrency:
+  cancel-in-progress: true
+  group: ${{ github.workflow }}-${{ github.ref }}
+
 jobs:
 
   cfr:
@@ -40,7 +45,7 @@ jobs:
     - name: Install Python
       uses: actions/setup-python@v6
       with:
-        python-version: '3.12'
+        python-version: '3.13'
 
     - name: Install uv
       uses: astral-sh/setup-uv@v6
diff --git a/.github/workflows/release-oci-full.yml b/.github/workflows/release-oci-full.yml
index 28c50305..9d9718a5 100644
--- a/.github/workflows/release-oci-full.yml
+++ b/.github/workflows/release-oci-full.yml
@@ -44,7 +44,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v6
         with:
-          python-version: '3.13'
+          python-version: '3.14'
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6
diff --git a/.github/workflows/release-oci-ingest.yml b/.github/workflows/release-oci-ingest.yml
index 7f11cdad..7d657167 100644
--- a/.github/workflows/release-oci-ingest.yml
+++ b/.github/workflows/release-oci-ingest.yml
@@ -44,7 +44,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v6
         with:
-          python-version: '3.13'
+          python-version: '3.14'
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6
diff --git a/.github/workflows/release-pypi.yml b/.github/workflows/release-pypi.yml
index 1fba6d87..c1505fb1 100644
--- a/.github/workflows/release-pypi.yml
+++ b/.github/workflows/release-pypi.yml
@@ -6,6 +6,11 @@ on:
     tags:
       - '*.*.*'
 
+# Cancel in-progress jobs when pushing to the same branch.
+concurrency:
+  cancel-in-progress: true
+  group: ${{ github.workflow }}-${{ github.ref }}
+
 jobs:
   build-and-publish:
     name: Build & publish package to PyPI
@@ -20,7 +25,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v6
         with:
-          python-version: '3.12'
+          python-version: '3.14'
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6
diff --git a/CHANGES.md b/CHANGES.md
index 3f59ef75..cf66bf87 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,8 @@
 - Settings: Stop flagging `gateway.recover_after_time` as a difference
   when both `gateway.expected_nodes` and `gateway.expected_data_nodes` are
   unset (`-1`).
+- Dependencies: Validated on CI with Python 3.14
+- Dependencies: Permitted installation of pyarrow 22
 
 ## 2025/08/19 v0.0.41
 - I/O: Updated to `influxio-0.6.0`. Thanks, @ZillKhan.
diff --git a/pyproject.toml b/pyproject.toml
index 7d1731f9..80f9a017 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,6 +58,7 @@ classifiers = [
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
   "Topic :: Adaptive Technologies",
   "Topic :: Communications",
   "Topic :: Database",
@@ -128,7 +129,7 @@ optional-dependencies.cfr = [
   "numpy<2.3",
   "pandas<2.3",
   "polars<1.34",
-  "pyarrow<21.1",
+  "pyarrow<23",
   "queryanonymizer<1.2",
 ]
 optional-dependencies.datasets = [