diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 05b96c7..247aae8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ concurrency:
 
 jobs:
   x86_64-unknown-linux-gnu:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 30
     steps:
       - name: Checkout
@@ -43,7 +43,7 @@ jobs:
           RESEND_API_KEY: ${{ secrets.RESEND_API_KEY }}
 
   aarch64-unknown-linux-gnu:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 30
     steps:
       - name: Checkout
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0fd2d8a..b2f4dde 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -19,7 +19,7 @@ concurrency:
 jobs:
   lint:
     name: Lint
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     # Three feature configurations now build instead of one, and the rustls path
     # additionally compiles aws-lc-rs, which is slow on a cold cache.
     timeout-minutes: 25
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 489856b..ad7efdc 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ concurrency:
 
 jobs:
   publish:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 20
     environment: release
     steps: