diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a2df5d6..90a0074 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ permissions:
 jobs:
   build:
     name: build dist files
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -34,7 +34,7 @@ jobs:
 
   release:
     name: create Github release
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     permissions:
       contents: write
     steps:
@@ -46,7 +46,7 @@ jobs:
   publish:
     name: release to pypi
     needs: build
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     environment:
       name: pypi-release
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 5d147d7..cacf65b 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -20,7 +20,7 @@ permissions:
 jobs:
   tests:
     name: py${{ matrix.python }} unit tests
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     strategy:
       fail-fast: false
       matrix:
@@ -47,7 +47,7 @@ jobs:
 
   coverage:
     name: coverage
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
@@ -66,7 +66,7 @@ jobs:
   downstream-tests:
     name: py${{ matrix.python }} ${{ matrix.downstream }} downstream unit tests
     if: ${{ !startsWith(github.head_ref, 'renovate/') }}
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     strategy:
       fail-fast: false
       matrix:
@@ -107,7 +107,7 @@ jobs:
 
   minversions:
     name: minimum dependency versions
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     env:
       UV_RESOLUTION: lowest-direct
       UV_LOCKED: 0
@@ -127,7 +127,7 @@ jobs:
         run: uv run pytest --showlocals
 
   style:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
@@ -141,7 +141,7 @@ jobs:
     - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
 
   doc:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
@@ -159,7 +159,7 @@ jobs:
   all-checks:
     if: always()
     needs: [tests, coverage, minversions, style, doc]
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Fail if a needed job did not succeed
         if: >-