diff --git a/.github/workflows/backport.yml b/.github/workflows/backport.yml
index 26801ebb..76fc4217 100644
--- a/.github/workflows/backport.yml
+++ b/.github/workflows/backport.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   backport:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-26.04
     name: Backport
     steps:
       - name: Backport
diff --git a/.github/workflows/closing.yml b/.github/workflows/closing.yml
index adf13320..11676339 100644
--- a/.github/workflows/closing.yml
+++ b/.github/workflows/closing.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   issueClosed:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Add closed question comment
         uses: peter-evans/create-or-update-comment@v1