@@ -22,7 +22,7 @@ jobs:
   post_comment:
     name: post_comment
     if: "${{ contains(github.event.label.name, 'status: autoclose candidate') }}"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
 
     steps:
 
 
@@ -20,7 +20,7 @@ jobs:
 
   autoclose:
     name: autoclose labeled PRs
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
         with:
 
@@ -35,7 +35,7 @@ jobs:
         )
       )
     name: Build sdist
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       contents: read
     outputs:
@@ -100,7 +100,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             cibw_archs: "x86_64"
           - os: ubuntu-24.04-arm
             cibw_archs: "aarch64"
 
@@ -9,7 +9,7 @@ jobs:
     if: "${{ github.event.context == 'ci/circleci: docs-python3' }}"
     permissions:
       statuses: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     name: Run CircleCI artifacts redirector
     steps:
       - name: GitHub Action step
@@ -28,7 +28,7 @@ jobs:
       contents: read
       checks: write
       pull-requests: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     name: Post warnings/errors as review
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
 
@@ -6,7 +6,7 @@ permissions: {}
 
 jobs:
   pr_clean:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       contents: read
 
 
@@ -16,7 +16,7 @@ jobs:
   analyze:
     if: github.repository == 'matplotlib/matplotlib'
     name: Analyze
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       actions: read
       contents: read
 
@@ -14,7 +14,7 @@ permissions: {}
 jobs:
   main:
     if: github.repository == 'matplotlib/matplotlib'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       pull-requests: write
     steps:
 
@@ -11,7 +11,7 @@ permissions: {}
 jobs:
   do-not-merge:
     name: Prevent Merging
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     env:
       has_tag: >-
          ${{contains(github.event.pull_request.labels.*.name, 'status: needs comment/discussion') ||
 
@@ -10,7 +10,7 @@ permissions: {}
 jobs:
   add-comment:
     if: github.event.label.name == '🌱 Good first issue'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       issues: write
     steps:
 
@@ -10,7 +10,7 @@ jobs:
     permissions:
       contents: read
       pull-requests: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/labeler@bf12e9b00b37c5c0ca2b87b79b2daf7891dbda13  # v7.0.0
         with: