diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 8d7adfc..f92e43b 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -13,7 +13,7 @@ name: actionlint
 jobs:
   actionlint:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - name: Download actionlint
diff --git a/.github/workflows/bibcop.yml b/.github/workflows/bibcop.yml
index 3029e0b..4c2035d 100644
--- a/.github/workflows/bibcop.yml
+++ b/.github/workflows/bibcop.yml
@@ -9,7 +9,7 @@ name: bibcop
 jobs:
   bibcop:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: yegor256/bibcop-action@master
diff --git a/.github/workflows/copyrights.yml b/.github/workflows/copyrights.yml
index 7d19ba1..cbd3027 100644
--- a/.github/workflows/copyrights.yml
+++ b/.github/workflows/copyrights.yml
@@ -13,7 +13,7 @@ name: copyrights
 jobs:
   copyrights:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: yegor256/copyrights-action@0.0.12
diff --git a/.github/workflows/latexmk.yml b/.github/workflows/latexmk.yml
index 7b5c586..3968cf6 100644
--- a/.github/workflows/latexmk.yml
+++ b/.github/workflows/latexmk.yml
@@ -16,7 +16,7 @@ concurrency:
 jobs:
   latexmk:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: yegor256/latexmk-action@0.20.0
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index b04a9b0..b606c2e 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -13,7 +13,7 @@ name: markdown-lint
 jobs:
   markdown-lint:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: DavidAnson/markdownlint-cli2-action@v23
diff --git a/.github/workflows/pdd.yml b/.github/workflows/pdd.yml
index ffcb242..1d4778e 100644
--- a/.github/workflows/pdd.yml
+++ b/.github/workflows/pdd.yml
@@ -13,7 +13,7 @@ name: pdd
 jobs:
   pdd:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: volodya-lombrozo/pdd-action@master
diff --git a/.github/workflows/reuse.yml b/.github/workflows/reuse.yml
index 31611fa..8c85ef3 100644
--- a/.github/workflows/reuse.yml
+++ b/.github/workflows/reuse.yml
@@ -13,7 +13,7 @@ name: reuse
 jobs:
   reuse:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: fsfe/reuse-action@v6
diff --git a/.github/workflows/typos.yml b/.github/workflows/typos.yml
index ac8af4a..41a9fcd 100644
--- a/.github/workflows/typos.yml
+++ b/.github/workflows/typos.yml
@@ -13,7 +13,7 @@ name: typos
 jobs:
   typos:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: crate-ci/typos@v1.48.0
diff --git a/.github/workflows/xcop.yml b/.github/workflows/xcop.yml
index 3e42b1c..bae0ae4 100644
--- a/.github/workflows/xcop.yml
+++ b/.github/workflows/xcop.yml
@@ -13,7 +13,7 @@ name: xcop
 jobs:
   xcop:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: g4s8/xcop-action@master
diff --git a/.github/workflows/yamllint.yml b/.github/workflows/yamllint.yml
index 6a52222..cfe24fa 100644
--- a/.github/workflows/yamllint.yml
+++ b/.github/workflows/yamllint.yml
@@ -13,7 +13,7 @@ name: yamllint
 jobs:
   yamllint:
     timeout-minutes: 15
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: ibiqlik/action-yamllint@v3