diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 0512ae7..9fa720d 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   analyze:
     name: Analyze
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       actions: read
       contents: read
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a42c9bb..cbe7b2f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   black:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     strategy:
       matrix:
         python-version: [3.14]
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 1e9856d..200e1a9 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -11,7 +11,7 @@ on:
 jobs:
   static_analysis:
     name: ${{ matrix.make-command }} / Py${{ matrix.python-version }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     strategy:
       fail-fast: false
       matrix:
@@ -38,7 +38,7 @@ jobs:
 
   test:
     name: test / Py${{ matrix.python-version }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     strategy:
       fail-fast: false
       matrix: