diff --git a/.github/workflows/linkcheck.yaml b/.github/workflows/linkcheck.yaml
index 3ade856e..37750b42 100644
--- a/.github/workflows/linkcheck.yaml
+++ b/.github/workflows/linkcheck.yaml
@@ -19,12 +19,12 @@ on:
 
 jobs:
   linkcheck:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7.0.1
       - uses: actions/setup-python@v7
         with:
-          python-version: "3.12"
+          python-version: "3.14"
 
       - name: Install deps
         run: pip install -r docs/requirements.txt
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index a23f00c1..36d3e8a1 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -32,7 +32,7 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6
@@ -40,7 +40,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v6
         with:
-          python-version: "3.13"
+          python-version: "3.14"
 
       # Needed to ensure package.json:packageManager is respected
       - name: Enable Corepack
@@ -90,7 +90,7 @@ jobs:
 
   # https://packaging.python.org/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/
   publish-pypi:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     if: startsWith(github.ref, 'refs/tags/')
     environment:
       name: release
@@ -119,7 +119,7 @@ jobs:
 
   # https://docs.github.com/en/actions/language-and-framework-guides/publishing-nodejs-packages#publishing-packages-to-the-npm-registry
   publish-npm:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     if: startsWith(github.ref, 'refs/tags/')
     needs:
       - build
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index af9506a2..648b1554 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -34,13 +34,13 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7.0.1
 
       - uses: actions/setup-python@v7
         with:
-          python-version: "3.12"
+          python-version: "3.14"
 
       # Needed to ensure package.json:packageManager is respected
       - name: Enable Corepack
@@ -78,7 +78,7 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - ubuntu-24.04
+          - ubuntu-26.04
           - windows-2022
         python-version:
           - "3.10"
@@ -94,7 +94,7 @@ jobs:
             pip-extras: classic
           # this test is manually updated to reflect the lower bounds of
           # versions from dependencies
-          - os: ubuntu-22.04
+          - os: ubuntu-26.04
             python-version: "3.10"
             pip-extras: classic
             pip-install-constraints: >-